Seiko 6105 Movement Details
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| Day / date? | Date only |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | Yes (6105B only) |
| Rate: | 21,600 bph |
| Number of jewels: | 17 |
| Lift angle: | 54.5º |
| Size / diameter: | 27.0mm |
| Height: | 5.15mm |
| Development division: | Suwa (Nagano Prefecture, Japan) |
| Notes: | Similar to cal. 6106 but with fewer jewels and no day display (date only). |
| PDF guides: | Technical guide : 6105A |
| Related movements: | 6102 6106 6117 6119 |
Part Codes
| Stem code: | 354615 |
| Balance wheel code: | 310611 |
| Mainspring code: | 401615 |
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