Seiko 7R88 Movement Details
Seiko caliber 7R88 is a high grade Spring Drive (hand winding) watch movement. Production was in the 2000s.
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|Power reserve:||48 hours|
|Day / date?||Date only|
|GMT / world time?||No|
|Number of jewels:||30|
|Notes:||Has a power reserve indicator. This movement powered the first Spring Drive watch (SBWA001).|
|Related movements:||5R77 7R68 7R78 7R87 7R89 7R99|