Seiko H023 Movement Details

Seiko caliber H023 is an analog + digital ("ana-digi") watch movement.
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Sub-brands: Sportura, Sky Professional
Battery:SR1130W / 389 (Silver oxide)
Accuracy:±15 seconds/month
GMT / world time?Yes
Rate:32,768 Hz
Number of jewels:5
Size / diameter:30.0mm
Notes:Has an alarm.
PDF guides: Technical guide : H021B, H022A & H023A
Related movements: H021 H022 H024