Seiko A158 Movement Details

Seiko caliber A158 is a digital watch movement produced in the 1970s.

Battery:SR1130W / 389 (Silver oxide)
Accuracy:±10 seconds/month
Day / date?Day + date
GMT / world time?No
Chronograph?Yes
Rate:32,768 Hz
Development division:Suwa (Nagano)
Notes:Has an alarm.
Related movements: A159