Seiko 9920 Movement Details
Seiko calibre 9920 is an analogue quartz watch movement. Production started around 1980.
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Battery: | SR927SW / 395 (Silver oxide) |
Accuracy: | ±20 seconds/year |
Day / date? | No |
GMT / world time? | No |
Chronograph? | No |
Hacking? | Yes |
Rate: | 32,768 Hz |
Size / diameter: | 25.0mm |
Height: | 3.2mm |
Development division: | Suwa (Nagano Prefecture, Japan) |
Notes: | Twin quartz for greater accuracy. |
Related movements: | 9921 9923 |