Howdy,
It's time I replaced the crystal in my M929-4000 (dated 1979) as it has picked-up some scratches over the years - nothing too bad but getting more noticeable now.
I could do with some help identifying the correct crystal code for the model. I won't attempt to replace it myself (don't have the tools / crystal press etc.) so will be taking it to a pro to do at some point (assume an approved Seiko dealer?).
From online research I've done already, crystal codes
BA1W20GM02 or
BA1W20GM03 seem to be likely candidates but need to clarify.
watch.JPG
Thanks for any help folks! - KH
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