Seiko 860 Movement Details

Seiko caliber 860 is a hand winding watch movement. Production was in the 1960s.
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Sub-brands: Champion
Day / date?Date only
GMT / world time?No
Rate:18,000 bph
Number of jewels:17
Size / diameter:25.6mm (11 1/2")
Notes:The same as cal. 850 but with date display. Succeeded by cal. 7622.
Related movements: 7622 850 851