Types Of Watch Glass - Which Is Best? Acrylic vs Mineral vs Sapphire Watch Glass Comparison
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- เผยแพร่เมื่อ 17 มิ.ย. 2024
- In this video, I compare the different types of watch glass, to see which of the main types of watch crystals is the best watch glass out there. I'll be comparing acrylic glass vs mineral glass vs sapphire glass, along with the properties of the respective watch glass types.
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If you impact your watch hard enough to shatter the sapphire you're going to likely have more problems than just a broken crystal anyway.
Sapphire still remains king for me.
😂😂😂 True
The only crystal I’ve damaged is sapphire. I chipped the corner of a box crystal when working on the brakes on my car.
@@tezzanewton always take off all bracelets and rings when working on machinery. it is the safe thing to do.
@@yourface4248 I don’t wear bracelets or rings, I didn’t even mention them. I have 35 years experience on the tools as a tradesman so I probably don’t need your silly advice.
@@tezzanewton a wrist watch is pretty much a bracelet.
Glass is glass, and scratches at a level 6 with deeper grooves at a level 7
Lmao
Perfect I was looking for this comment
Actuelly sapphire glass scratches at 8
@@alex.hleconte6007 Sapphire glass (real ones that are used in watches not some phone glass trying to be sapphire) scratches above 9 on the mohs scale.
It's not a linear scale though. Look at this link for a better understanding of the scale. Although diamond is a 10 and sapphire is a 9, diamond is many times harder than sapphire. Being in the watch repair field and having some jewelry repair experience I've been able to observe this as well.
4cs.gia.edu/en-us/blog/more-than-mohs-scale-gem-durability/
It is really hard to shatter glass when it lies flat on a surface. I think the result will differ when there is a space between the glass and a surface. This is also the case with watches
Also hitting it with a large surface will cause little damage while hitting it with a metal punch will break it.
A fast and hard hit with a small surface area does the job.
Agreed.
@@zakofrx Also hitting it on a plywood desk instead of... concrete.
@@zakofrx he used a screwdriver so it wasnt that. It was that it was flat and supported as Hugo mentioned
Read my mind buddy, I was thinking the exact same thing and comment too and yours was #1 comment !
Sapphire is the way to go, I’ve got scratches all over my metal watch band from day to day manual task, but the face of my watch still looking new!
Agreed. The only reason to go with anything softer is job requirements like NASA requiring "crystal" that doesn't shatter into billion little pieces. Like another person said, if you crack sapphire then the watch itself is most likely highly damaged as well from the impact.
Great summary! I would like to add that the transparency of certain mineral glasses can vary greatly depending upon what constitutes the makeup of the glass alloy. For example: the Seiko Hardlex crystals (even the old ones dating back to the 70's-like on the SEIKO Sports series) and the Citizen PROMASTER series of eco drive watches, have very optically transparent "crystals". I don't know about other watch brands. The example you show for sure looks to have a tinge of green, just as you say it looks like ordinary window glass-maybe hardened of course but you could check by examining it under polarized light. Certainly as a diver using a mineral crystal is a better choice as it is tougher than the Sapphire. I guess besides that, wearing a watch diving the watch case itself is going to get banged up for sure-unless you only dive in a bath tub LOL. To help increase shatter resistance and certainly scratch resistance, i installed some custom made (I made them) watch crystal protectors made from high quality tablet screen protectors. i've had two of these installed; one for over a year (on a SEIKO Prospex 200m diver-baby Tuna actually) and one just for the last 3 months on Citizen BN 0176-08E 300m diver, I've accidentally hit the crystal several times and I'm certain the protectors have saved me either breaking the crystal and or definitely preventing scratches. The upshot is, when the protector gets manky you can simply remove it and put another one onto the still brand new watch crystal LOL. I also reviewed these watches and how to install such protectors.
Cheers for the upload. I did not expect my Casio M170TD to have sapphire glass so its good to know i can go ham with it.
Great review Ben. Short, simple and to the point. We'll done. Look forward to more informative vids from you.
Much appreciated!
If the Chinese can use sapphire on £50 watches there is no excuse for Seiko still using 'hardlex' on £300 models. I considered the Seiko Presage until I discovered it had hardlex, unlike its discontinued Japanese Domestic Market predecessor the SARB.
Totally agree. That's why I bought a Seiko Presage homage instead. It's cheaper and comes with sapphire crystal too.
I was about to comment exactly the same thing. You've already done it for me. A piece of sapphire really isn't that expensive and should be in all watched over £150.
Seiko will never use it on their lower end watches! That's one of the reasons Seiko blows. My San Martin eats any Seiko in its price range and even the more expensive ones...
@&Ö& Paneristi Orient are owned by Seiko, which makes it even more unnaceptable.
I agree 100%
1st off I love your videos! I'm kinda perplexed in how underrated you are...
Clear and concise explanation and great broadcasting! Thank you. Definitely worth considering sapphire.
Glad it was helpful!
I enjoy your well-researched videos Ben.
Thanks so much for doing this video. Great content!
Excellent informative, to the point video. I liked and subscribed. Thx!
Great advices, information ratio and I guess help! Keep going, very very good chanel!
Ben, well done on this video. Thanks for the research and detail. One thing I might add. While you’re spot on about selecting watches with sapphire if given the choice, remember it’s so easy to have your mineral crystal replaced. ...or even take your watch hobby to the next level and learn to to do yourself. I had a scratched Hardlex crystal replaced and it made a 90’s watch brand new again. I’m looking forward to your next vid.
Learned something new today. Thanks, it was a very informative video.
Glad you enjoyed it!
Thank You for making this video at least now when I buy a watch I’ll be more knowledgeable in different types of quality of glass.
Very informative and helpful video! Thank you!
Great comparative. Well explained. Thanks.
Glad it was helpful!
Hi Ben great stuff basic & too the point easy to follow i now know what i want to order cheers
Brilliant review! Very helpful to me. Thank you.
Acrylic will let more frequencies of light through than almost any material, more than glass even. The molding process can change some of its light properties, though it can be machined and polished from sheet stock as well. Also, the stock used for non-molding purposes (the ones who held up) are of a better grade than those used for molding.
I have found some anti-reflective coating on sapphire at some angles can make it look almost cloudy
Excellent overview, thanks!
I find that I bump my wrist against doors/tables/walls more often than I'd like to admit. So it's nice to know that my sapphire crystal isn't gonna get scratched. These days, even if I'm buying a relatively entry-level watch, a lack of sapphire is a deal-breaker.
bumping is impact.
@@goku445 it can still scratch though when hitting something harder and dragging/scraping slightly.. and like was said in the video- you dont really have to worry too much about impact resistance, unless your expecting to drop it from 4 feet onto concrete or having large objects fall onto you- you would be tough pressed to shatter either mineral or sapphire in most use cases
@@notme756 true. I bump my gshock all the time. I have it since almost 2 years and it's only got recently a slight scratch barely visible. It is mineral. That's good enough to me.
@@goku445 impact doesnt do anything to quarz, I abused my candino with 20kg subwoofer magnet and it always worked after demagnetizing
Exactly what you just described is what caused my watch with a mineral crystal to chip.. a bump on a door frame.. now I'm wondering if I should replace it with acrylic or Sapphire
When you ran the blade on the acrylic glass in the intro i was like 😱😱😱
That Blue Auto (The 5th) you showed in the sapphire part is beautiful!
Will you be ok😂
Nathan Chisholm I’ll recover 🤣🤣🤣🤣🤣
just noticed that at the end of every sentence Ben does this thing with his lips, like he pressess them together. and it's always in the same way!! it doesn't bother me or anything but I just can't unsee it now :D
anyone else see that?
Noticed it too 🤣
Thanks... Can't unsee it now 🤣🤣🤣🤣🤣🤣
Sapphire is also a really great shoot 'em up for the PC Engine. Very shiny visuals and difficult to break.
Great video! Once I discovered sapphire I never looked back. All of my sapphires look brand new. My others....not so much
I wholeheartedly agree with sapphire on higher end watches except for the Speedmaster. Ive had the sapphire and hesalite version, and the hesalite version, aesthetically, looks sooooo much better on it.
A sapphire crystal can be had for about $15. However the average AR coating can cause an unsightly blue hue so sapphire is not necessarily always a preferred choice. Sapphire with a high quality clear AR is obviously desirable.
Not always, but often i tend to like the AR blue hue..
Good video here. Thanks for the information!
Thanks for watching!
VERY well explained!
Thanks for your video ! I recently bought an used Cartier Santos on sale, its almos 20 years old and the crystal is impecable, looks as translucent and clear like the first day it left the store. If the vendor had told me the crystal was a new replacement Id have believed him. Thanks again for your informative video !
Thanks for your video, very Usefull
A few years back I was walking down a sidewalk and my wrist hit a light pole, along the bezel perpendicular to the sapphire. I didn't even hit it particularly hard yet crystal shattered. My take away was that sapphire can withstand a hard knock straight on but hit it on the side and it's toast.
nice review, subscribed. as you say, it all depends on the watch and intended use.. there are no bad choices here, imo. now, if you drop a watch on a hard surface, you are likely to damage the innards as well as the crystal, so be careful with a watch you care about. my old wind up rolex from the seventies was dropped and put a crack in the crystal and now you cannot set the time--the whole crown can be pulled out of the watch--but if you wait for the time to match what's on the watch, you can wind and wear!
Thanks for the concise, informative video! Which watch are you wearing here? Thanks for your time!
I got a watch with mineral glass for like 2 years and yes it has 2 miner scratches, but overall its good. It's my daily watch
I've retired more watches because scratches to the glass affected the appearance of the dial than any other reason. When I started buying better, mechanical watches, sapphire became the choice, and I have not been disappointed.
You missed a very important aspect about acrylic. It isn't just a way to cut costs, some expensive watches have it deliberately because it can be shaped any way you like very thin and offers much better visibility of the dial. It's the reason your Junkers Bauhaus and the Max Bill have acrylic. Omega offers the speedmaster with a choice of acrylic and sapphire to this day.
even rolex used in past time plexiglass for some models
@@Alex-qb7gt That's when everyone used plexi, Einstein. They don't anymore. But they still refuse to use AR coating for some reason.
@@StuntpilootStef They don’t use AR because it makes their watches less blingy and less expensive looking. Wrap your head around that absurd logic.
Great video just a quick comment regarding the shattering of sapphire. The way you tested is not fare. In a watch, the glass is not fully supported as it is when you place it on top of the table. In a watch the glasses are support only at the edges and when you hit it in the middle the sapphire is more prone to shatter because is more rigid so it can not contract to dissipate the energy like the plastic. When you support all the sapphire surface you are not forming any specific area of stress as the energy is dissipated equally to the table.
@Mother Algorithm so how to you test if it shatters?
Of all 3 types I prefer acrylic, of all my watches it is the material that looks more transparent, and without even needing a coating, and doesn't show fingerprints. Sapphire looks really close, especially when it has anti reflective coating, but only when you just cleaned it, the fingerprints really pop with that material making it in real world generally less clear. It also weights a lot more, it's pretty noticeable the difference on the wrist! Plain old glass to me seems the worst, it cuts away contrast more than the other two materials, but anyway I have to admit that the thick hardlex crystal seiko uses on their divers looks really good, really close to sapphire in transparency but less susceptible to fingerprints.
I'm a newbie to watch thing, last year I bought a discontinued Marathon Nav and well overall it's excellent but I do with it had sapphire over acrylic crystal as with how easily it scratched up. Of course the updated version has a sapphire crystal hence the reason what I got was discontinued.
I was not expecting to see you with hair as a new subscriber, thanks for sharing!!
Thanks for this video
Great video very informative
I like domed crystal watches. So, I prefere Acrylic or domed Saphire. I try to avoid Mineral glass at all because it's usually just flat and you can't remove scratches.
I ordered a cheeeap casio digital and a nice looking casio dress watch coz you reminded me how good the low end digitals are...
Hi, awesome channel. I found you recently, great content, useful and educational. Do you know more about Stuhrling Original brand, can you make please a video. I have a watch from them and I don't know about them. Thanks. Cheers.
Keep up the good work 👍
I have watch with sapphire glass from the past 7 years and right now it is in my hand like brand new.
Although I used it all the time.
The most informative, most telling part of your video was when you tried to shatter the sapphire glass.
I also never had any problems with sapphire glass on my watches.
i have a watch with a sapphire watch glass.
i've had it for 7 years now and there is literally no scratch on the watch.
If you’d had a mineral crystal you would have probably gotten the first scratch within a week or two.
@@appalachiangunman9589 true
@@GicN I've had a gshock for 2 years and zero scratch on it (mineral). I use it daily.
Amazing video! Greetings from Poland :)
Hello there!
Great video!
Thx for the video I always wanted to know. For my personal experience I have had a Seiko with Hardex for 7 years and another Seiko with Sappier much older - with Sapphire (I think - its a bit on the shinny side) about 25 years old. Both I wear regular, both no issues, no scratches. I have, dear I say, a preference for the Hardex - does not have the shinny reflective - but I am just a novice.
Very nice video. Just a slight comment, you can “polish” mineral crystal, it is just not as easy as with acrylic to polish but the result is pretty good when restoring a watch ! no need to change it. This is quite useful for hard to find domed mineral crystal.
@Connor Locklin You'd be shocked to know that the base speedmaster (5k+) has an acrylic crystal.
You can of course polish the scratches out of anything other than diamond - which doesn't scratch. If any watch crystal scratches then those scratches can also be polished out. A Dremel with a buffing wheel and a small tube of diamond paste will make short work of it. Do not be a slave to the scratch.
If u could get hands on seiko 5 snxf07.....and a review probably comparimg with snxs79...it would be amazing..
And u get 2 of the finest seikos that i adore
Congrats, you gained yourself a new subscriber.
I'm an oddball on this matter. It's either acrylic or sapphire for me. I scratched and smashed several mineral crystals on watches, to me they're the worst of both worlds. However I never managed to smash acrylic and buffing out scratches is a matter of just a few minutes. Perfect for beater watches you don't have to care about.
Hi Ben, what''s that watch you're holding and pointing to near the end at 9:49-9:53?
You should actually put the glasses into a watch when trying to shatter them, as laying them on a flat surface gives them support. When in a watch, the impact will push against the glass and allow that force to be distributed along the edge through the center. This stress could result in a crack, or breaking of the glass.
(Edit:) I've just now seen the other guys' comment 😂
I have Seiko Samurai with hardlex which I own since 2018 (bought it for around 300$) and it's one of my daily watches and so far I haven't scratched it. There's no doubt that sapphire is superior but depending on the model and of course the price it isn't that much of a deal breaker for me (especially if that particular watch model is on a big sale like -30-50% of the retail price) and if I really want to I can always buy a sapphire crystal for around 40$ if that's really necessary. The rest of my watches have sapphire crystals and I also have Vostok Amphibia (that has acrylic crystal), which I recently bought and also wear from time to time with no issues so far. I think it all depends on what are you doing while wearing your watch. A friend of mine is a car mechanic and he's wearing a Victorinox with sapphire and although the crystal looks like new, the rest of the watch looks like hell so there's that to.
Yea I would be wearing either no watch, a gshock, or another cheap durable watch doing work like that. I had a gshock when I was in the military, as work was not easy on gear, or me for that matter. I take off my watch if I'm doing yard work and swap it out for a casio of some type. I usually wear a seiko, citizen, or micro brand. Entry level stuff. But I still don't want to be buying one every year or two. The casio is 20-30 bucks. I can afford to grab a new one every year.
Not much mention of IR coatings. I have seen several mid-range watches like Omega and
Tag have the coating on sapphire crystals and although the crystal doesn’t scratch, you can see hairline scratches on the surface where the IR coating has been scratched. Rolex doesn’t have the coating so there are no tiny scratches but their crystal is VERY reflective.
BenRigEverything 😀
I have a sapphire Citezen rn, haved it for 8 months now, really good, you can see clearly through it, unlike negative digital watches like that ca53wf, it has plastic screen, so you can't really see through it, thah watch would be much better if it haved sapphire glass. And yes, it has no backlights.
Hello! What is the Chronograph shown at 5:40 of the video (the one on the right)? Thank you very much!
acrylic crystal has a cool property in that it can be easily polished back to like-new condition with the same sort of sandpaper and rubbing compound you use to restore car headlight lenses. so minor scuffs and scratches from daily beater service can be polished off when they start to interfere with your ability to read it.
pls make a video about the curren 8106 watch. give the pro's and con's of the watch. btw... i love your vids. new sub here❤️
great presentation
Not that I’m a a Invicta fan, however after looking into there FlameFusion Crystal it seems to be a nice alternative. I fix watches etc and they seem to have a good glass
I have a Timex Expedition what would it cost for a sapphire glass to replace the acrylic crystal ?
We need a watch collection video Ben. :)
Mineral is my prefered. It's relatively cheap but can also withstand a beating. It can look a little "foggy" at certain angles though.
Sapphire. I have old watches with Sapphire and the crystal looks brand new.
I love acrylic crystals on watches. I love the look of them.
Can you tell me anything about Invictas Flame Fusion is this Sapphire? i have several Invictas with this and it is incredibly tough!
Hesalite is a cell cast cross linked acrylic. It features better chemical resistance than normal acrylic. In the 70s it was state of the art for watch cristals. Today it is not used often anymore. However, some people prefer its warm touch.
Thanks, I just recently got a Hamilton day date pilot - like in interstellar, and am so worried I’ll scratch it lol. It’s sapphire so I guess I just have to accept it will do it’s job.
Just so you know, with the plexiglass it is SET domed. And it's INCREDIBLY impact resistant compared to most plastic. They don't cut it domed. It's just injection molded most likely. I have dealt with sheets of it. Has the ability to be bent after heating and then if heated it will go back FLAT (plastic memory but it's really just releasing the inner stresses).
Nice video sir
Nice video. I always wonder why watch brands do not use corning guerilla glass.
Something I always have to chime in on about gorilla glass. It's useless once it's scratched. You've removed the ion impregnation prestress. It's critical to keep a phone screen protector on your phone at all times to retain the impact resistance it is rated for. Once your screen has a scratched all the strength is gone.
Where does ion-x glass used on Apple Watched fit in this category? Thank You 😊
1:36 last hammer strike cracked it, good time to cut scene lol
Its the scratches that he make
Thank you
Good job, how about a strap vid: oyster, engineer, jubilee, hollow, solid, folded, screw etc etc
Hi I have a watch that I am told the battery can only be changed by removing the glass do you have any vids showing how this is done or know of any
I have several Hardlex Seiko, couple Casio G-Shock, and Citizen mineral Crystal. They all scratch no matter how I baby them. The mineral Crystal on Casio is so reflective I had to stick a matt protective film on the glass in order to be able to tell the time
I've never actually managed to scratch any of my mineral crystal watches. I'm an office worker, mind you, so I'm not doing anything crazy with my watches. The cases and bracelets get worn out from general banging against tables and door frames but the crystals look pristine to my eyes. Once I banged an affordable Casio pretty hard against a lamp post. The case received a rather deep groove but the glass was just fine.
Yeah, a sapphire watch crystal has never cracked on my wrist. But I have scratched, chipped, and cracked mineral glass. Although, My son shattered my Seamaster’s sapphire crystal on a tile floor 😖
oh u xplained what richness is.. 😀
What about flame fusion glass from invicta?
Question: how do they get the sapphire glass to be clear in the lab? Rather than blue.
Also, when it comes to impact resistance in my personal experience, Ive shattered two mineral crystals. One was a timex expidition I bought specifically for a camping trip and the glass broke on that trip so unfortunately I only got to enjoy that nice little field watch once and has been sitting in a drawer ever since being that its cheaper to replace the whole watch than just the glass. The other mineral crystal I shattered was an eco-drive that took a light fall off the bathroom counter and produced a clam shapped chip at the edge. Mineral crystal: 0 for 2. My Hamilton Khaki King with sapphire crystal however has been my daily wear for 3 years now and no scratches and no chips. It is domed though which may add to its strength? I dont know, but seems to be strong stuff and I know its been knocked around a bit (not to mention withstanding some nights where I had a bit too much to drink!). Sapphire: 1 in 0.
Sapphire crystal is the most resistant to scratches and least resistant to impact, acrylic is the exact opposite. Mineral glass can scratch or crack fairly easily, is relatively expensive to replace and quite difficult to polish. In my experience mineral glass combines the worst aspects of the other 2 options.
This is kind of an oversemplification, and underestimation of mineral glass. While it is easier to scratch then sapphire, acrylic can get scratched by just looking at it. I have a swatch that gets cloudy by just being worn, due to contact with sleeves.
Thank you very much :-)
I wonder why CWC uses Hesalite/Acrylic for their watches? Maybe there's a higher chance of impacts vs. scratching when used in the military? Thoughts?
I would like to see a guide on lower priced watches that have sapphire crystal.
Yes, agree; specially non-micro or Chinese brands.
I bought two Casio Enticers, model MTP V002L-7B2UDF and MTP E171L-5EVDF. Both have mineral glass and I waited a very long time to have them. They are very hard to get as they are not easily available their stock reload take ages . I don't like scratches on my watch. Can I use tempered glass protectors on them?
what about the droid attack on the wookies?
Great Video! Now the real question......................what watch are you wearing? I am looking to get a Field Watch and I believe yours is one?
is there any type of glass other then the 3 as mention in the video? anyway good video bro...more knowledge for me..👍👍