O-Ring Part number for Seamaster 300 full size quartz

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Hi, just after some experts to chime in!!

I’m going to replace the battery on my 2008 SMP 300 and thought I would replace the O-Ring gasket while I’m at it.

I just wanted to check that part number 088.5134NS is the correct gasket?

anyone know?
 
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I don't know and I reckon 99.999% of other members wouldn't know either. Surely the person or company you are buying from would know?