Seiko 9SA4 Movement Details

Seiko calibre 9SA4 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?No
GMT / world time?No
Chronograph?No
Hacking?Yes
Rate:36,000 bph
Number of jewels:47
Development division:Shizukuishi Studio (Iwate Prefecture, Japan)
Notes:Has a power reserve indicator.
PDF guides:
Related movements: 9SA5 9SC5