Seiko 6109 Movement Details
Seiko caliber 6109 is an automatic watch movement. Production was in the 1970s.
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| Day / date? | Day + date |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | No |
| Rate: | 21,600 bph |
| Number of jewels: | 17 |
| Lift angle: | 54.5º |
| Size / diameter: | 27.0mm |
| Height: | 5.3mm |
| Development division: | Suwa (Nagano Prefecture, Japan) |
| Notes: | An entry-level redesign of the 6119 movement. |
| PDF guides: | Technical guide : 6109A |
| Related movements: | 6106 |
Part Codes
| Stem code: | 354617 |
| Balance wheel code: | 310611 |
| Mainspring code: | 401615 |
| Date wheel code: | 801610 |
| Screw codes: | 022150 (stud screw), 022252, 022257, 022269, 022458 (screw for oscillating weight), 022467, 022468, 022470, 022493, 022662, 022677, 022760, 022761 (dial screw) |