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Seiko Ashtray 7c46-6010 stripped crown lock

2104 Views 16 Replies 11 Participants Last post by  MediumRB
Hello,

I recently acquired a Seiko 7c46-6010 “Ashtray” in overall nice condition EXCEPT that the crown lock is stripped.

Considerations:
-Watch is titanium
-Watch was only made for a short time in the 1980s and is extremely rare. New cases are unobtainable
-Seiko Japan serviced it last year but could not repair the crown lock.
-I know that “a competent watchmaker should be able to drill it out” except that all the ones I’ve asked have declined.
-I realize that “you never had a problem with a screw down crown” but the previous owner of this watch did, and it’s my problem now. It also seems to be a fairly common issue with this watch.

I am looking for someone who has experience fixing this sort of problem and is willing to take it on.

Thanks,
Greg
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To me the crown of the 300m 7C46 Tuna looks somewhat like the one on the Ashtray other then the obvious that one is titanium and the other is steel. I wonder if one from a SBBN007 would work?

Anyway, good luck on the repair, those Ashtrays look great and a very unique watch
So it all depends what you now want to do. Look for the correct crown that is Ti or settle for a SBBN007 crown.
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