Seiko 2101 Movement Details
Seiko caliber 2101 is an automatic watch movement. Production started around 1963.
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| GMT / world time? | No |
| Chronograph? | No |
| Rate: | 19,800 bph |
| Number of jewels: | 21 |
| Size / diameter: | 6 3/4 x 8 lignes or 15.5 x 17.9mm |
| Notes: | Probably the first ladies automatic watch. |
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- Seiko 2101 [17jewels.info]