Seiko 6R31 Movement Details

Seiko caliber 6R31 is a high grade automatic (with hand winding) watch movement produced from around 2021.
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Sub-brands: King Seiko, Presage
Power reserve:70 hours
Accuracy:+25/-15 seconds/day (Seiko "C" standard)
Day / date?No
GMT / world time?No
Rate:21,600 bph
Number of jewels:24
Lift angle:53º
Notes:The same as cal. 6R35 but without a date window.
PDF guides:
Related movements: 6R35