Seiko 290 Movement Details
Seiko caliber 290 is an automatic watch movement. Production started around 1956.
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| Sub-brands: | Gyro Marvel |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Rate: | 18,000 bph |
| Number of jewels: | 17 |
| Size / diameter: | 28.6mm |
| Height: | 6.55mm |
| Development division: | Suwa (Nagano Prefecture, Japan) |
| Notes: | The first Seiko movement to use the "magic lever" winding system. |