How To Change a Battery LONGINES L4.709.2 Slim Watch

[@Slowduro]

Does anyone know what size flathead screwdriver this is?

[@e.a.8888]

For L4.209.2 model, the battery is 335 (SR512SW)

[@غريب-د1ك]

How big is the screw?

[@SolimBD]

Screw Size - 2.5mm long X 0.9mm (Thread) X 1.4mm (Head)

[@jmlfa]

Where can I find spare screws? (I just lost one 😞)

[@SolimBD]

Screw link alltimeco.com.au/longines-s-s-case-back-screws-l750153211/

[@richardluong2011]

L4.209.2 - is rubber seal gasket same as this?

[@SolimBD]

Same gasket, but they are not the same size.

[@richardluong2011]

Thanks

[@white8388]

L4.7554, 1mm
The screwdriver cannot be used, what size should I use for L4.7554

[@white8388]

What size screwdriver did you use?

[@SolimBD]

1mm

[@nimphiasnigdha5842]

ভাই, শিখে ফেলেছি।

[@SolimBD]

এসে সার্টিফিকেট নিয়ে যাবেন

[@NaguibHeiba]

L.209.2 model the battery

[@SolimBD]

Renata 335, alternative sr512sw

[@SeandeDios]

Battery is Renata 346

[@SolimBD]

Yes 346 or SR712SW