Seiko 7770 Movement Details
Seiko calibre 7770 is a high grade analogue quartz watch movement. Production was in the 1980s.
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Sub-brands: | Credor |
Battery: | SR916SW / 373 (Silver oxide) |
Accuracy: | ±15 seconds/month |
Day / date? | No |
GMT / world time? | No |
Chronograph? | No |
Rate: | 32,768 Hz |
Number of jewels: | 6 |
Development division: | Daini (Kameido, Tokyo, Japan) |
Notes: | The same as cal. 7771 but without a seconds hand. |
Related movements: | 7750 7771 7779 |
Part Codes
Stem code: | 354371 |