Seiko 9SA5 Movement Details

Seiko caliber 9SA5 is a high grade automatic (with hand winding) watch movement. Production was in the 2020s.
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Sub-brands: Grand Seiko
Power reserve:80 hours
Accuracy:+5/-3 seconds/day (Seiko "AA" standard)
Day / date?Date only
GMT / world time?No
Rate:36,000 bph
Number of jewels:47
Notes:Has twin mainspring barrels. This movement has a "dual impulse" escapement which efficiently transfers energy to the balance wheel both indirectly through the pallet fork and directly from the escape wheel.
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Related movements: 9SC5