Seiko 436 Movement Details
Seiko caliber 436 is a hand winding watch movement. Production was in the 1960s.
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| Sub-brands: | Sportsman |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Rate: | 18,000 bph |
| Number of jewels: | 17 |
| Size / diameter: | 23.6mm |
| Development division: | Suwa (Nagano Prefecture, Japan) |
| Related movements: | 4361 66 |