Seiko 6890 Movement Details

Seiko caliber 6890 is a high grade hand winding watch movement.
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Sub-brands: Credor
Power reserve:37 hours
Accuracy:+25/-15 seconds/day (Seiko "C" standard)
Day / date?No
GMT / world time?No
Chronograph?No
Hacking?Yes
Rate:21,600 bph
Number of jewels:22
PDF guides:
Related movements: 6870 6898 6899