Seiko 7R99 Movement Details

Seiko caliber 7R99 is a high grade Spring Drive (hand winding) watch movement.
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Sub-brands: Credor
Power reserve:48 hours
Accuracy:±15 seconds/month
Day / date?No
GMT / world time?No
Rate:32,768 Hz
Number of jewels:32
Notes:A skeletonized movement, and has a power reserve indicator.
PDF guides:
Related movements: 5R77 7R87 7R88 7R89