Seiko 6139 Movement Details
Seiko caliber 6139 is an automatic watch movement. Production started around 1969.
Find watches with this movement on eBay.
| Sub-brands: | Seiko 5, Speed Timer |
| Power reserve: | 45 hours |
| Day / date? | Day + date |
| GMT / world time? | No |
| Chronograph? | Yes |
| Hacking? | No |
| Rate: | 21,600 bph |
| Number of jewels: | 17 or 21 |
| Lift angle: | 54.5º |
| Size / diameter: | 27.0mm |
| Height: | 6.65mm |
| Development division: | Suwa (Nagano Prefecture, Japan) |
| Notes: | The world's first automatic chronograph to market in May 1969. It has a column wheel and vertical clutch for more precise stopwatch measurement. Similar to cal. 6138 but without the chronograph hand to measure elapsed hours. |
| PDF guides: |
Technical guide
: 6139A
Technical guide : 6139B |
| Related movements: | 6138 |
Part Codes
| Stem code: | 354615, 354617, 357612 |
| Balance wheel code: | 310611 |
| Mainspring code: | 401616 |
Videos
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