Seiko & Citizen Watch Forum Message Archive

Date a dive watch ?

Author: Mark Petry

Date: 2002-09-04 08:23:00

ID: 1031153037 | thread

The watch in question might have been a 6105 or another model, both were 150m.
You'll need to check the archives but I believe the first digit of the Seiko serial number is the last digit of the year of manufacture, so a serial number of 2XXXXXXX would indicate '72 (for a 6105) or ('82 for a 6309)
Mark Petry
Bainbridge Island, WA

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