Seiko 6606 Movement Details
Seiko caliber 6606 is an automatic watch movement. Production was in the 1960s.
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| Sub-brands: | Sportsmatic |
| Day / date? | Day + date |
| GMT / world time? | No |
| Chronograph? | No |
| Number of jewels: | 21 |
| Development division: | Suwa (Nagano Prefecture, Japan) |
| Related movements: | 410 6619 |