Seiko 7550 Movement Details
Seiko calibre 7550 is an analogue quartz watch movement. Production was in the 1980s.
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Battery: | SR43SW / 301 (Silver oxide) |
Accuracy: | ±15 seconds/month |
Day / date? | No |
GMT / world time? | No |
Chronograph? | No |
Rate: | 32,768 Hz |
Number of jewels: | 5 |
Size / diameter: | 27.0mm |
Development division: | Suwa (Nagano Prefecture, Japan) |
Notes: | Used in "railway" pocket watches. |
Related movements: | 7559 |
Part Codes
Stem code: | 354371, 354602 |