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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Sub-brands: Credor
Power reserve:48 hours
Accuracy:±15 seconds/month
Day / date?Date only
GMT / world time?No
Rate:32,768 Hz
Number of jewels:30
Notes:Has a power reserve indicator. This movement powered the first Spring Drive watch (SBWA001).
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Related movements: 5R77 7R68 7R78 7R87 7R89 7R99