Seiko 1F21 Movement Details

Seiko caliber 1F21 is an analog quartz watch movement.
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Sub-brands: Lukia, Exceline, Spirit, Tissé, Moorea
Battery:SR421SW / 348 (Silver oxide)
Accuracy:±15 seconds/month
Day / date?No
GMT / world time?No
Number of jewels:2
Development division:Suwa (Nagano Prefecture, Japan)
Notes:Used in ladies watches.
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Related movements: 1F20