Seiko 7R87 Movement Details
Seiko calibre 7R87 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? | Date only |
GMT / world time? | No |
Chronograph? | No |
Hacking? | Yes |
Rate: | 32,768 Hz |
Number of jewels: | 30 |
Notes: | Has a power reserve indicator. |
PDF guides: | |
Related movements: | 5R77 7R88 7R89 7R99 |