Seiko 7121 Movement Details

Seiko caliber 7121 is an analog quartz watch movement produced in the 1980s.

Sub-brands: Silverwave
Battery:SR1130W / 389 (Silver oxide)
Accuracy:±15 seconds/month
Day / date?No
GMT / world time?No
Chronograph?No
Hacking?Yes
Number of jewels:2
Development division:Daini (Kameido, Tokyo)
Notes:The same as cal. 7122 but without date display.
Related movements: 7122 7123