Seiko 9S54 Movement Details
Seiko caliber 9S54 is a high grade hand winding watch movement. Production started around 2001.
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|Power reserve:||50 hours|
|Accuracy:||+5/-3 seconds/day (Seiko "AA" standard)|
|Day / date?||No|
|GMT / world time?||No|
|Number of jewels:||20|