Seiko 0644 Movement Details
Seiko caliber 0644 is a digital watch movement. Production was in the 1970s.
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Sub-brands: | LC |
Battery: | SR43W / 386 (Silver oxide) |
Accuracy: | ±15 seconds/month |
Day / date? | No |
GMT / world time? | No |
Chronograph? | No |
Alarm? | No |
Rate: | 32,768 Hz |
Size / diameter: | 27.0mm |
Height: | 8.5mm |
Development division: | Suwa (Nagano Prefecture, Japan) |
PDF guides: | Technical guide : 0644A & 0664A |
Related movements: | 0624 0664 |