Seiko 6810 Movement Details

Seiko caliber 6810 is a high grade hand winding watch movement. Production started around 1973 and production finished in 1998.
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Sub-brands: Belfina, Credor
Accuracy:+25/-15 seconds/day (Seiko "C" standard)
Day / date?No
GMT / world time?No
Rate:21,600 bph
Number of jewels:22
Development division:Daini (Kameido, Tokyo, Japan)
Notes:Marketed as a super-slim movement. Later updated as cal. 6830.
PDF guides:
Related movements: 68 6830

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