Seiko 7N21 Movement Details

Seiko caliber 7N21 is an analog quartz watch movement. Production was in the 1990s.
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Sub-brands: SUS, Lucent
Battery:SR920SW / 371 (Silver oxide)
Accuracy:±15 seconds/month
Day / date?No
GMT / world time?No
Chronograph?No
Rate:32,768 Hz
PDF guides:
Related movements: 7N22