Seiko A557 Movement Details

Seiko caliber A557 is a digital solar watch movement. Production was in the 1980s.
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Sub-brands: Silverwave
Battery:4018835 / (Rechargeable capacitor)
Accuracy:±15 seconds/month
GMT / world time?No
Chronograph?Yes
Alarm?Yes
Rate:32,768 Hz
Size / diameter:27.0mm
Height:4mm
Notes:Has an alarm.