Seiko 7J21 Movement Details

Seiko calibre 7J21 is an analogue quartz watch movement. Production was in the 2000s.
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Sub-brands: Dolce, Brightz
Battery:SR927SW / 395 (Silver oxide)
Accuracy:±20 seconds/year
Day / date?No
GMT / world time?No
Chronograph?Yes
Alarm?No
Hacking?Yes
Rate:32,768 Hz
Number of jewels:0
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