Seiko 15 Movement Details
Seiko caliber 15 is a hand winding watch movement produced from around 1959.
| Sub-brands: | Lady Seiko |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Rate: | 19,800 bph |
| Number of jewels: | 21 |
| Size / diameter: | 19.8mm x 9.6mm |
| Height: | 3.5mm |
| Stem code: | 351152 |
| Balance wheel code: | 310150 |
| Mainspring code: | 401150 |
| Notes: | Used in ladies watches. |
| PDF guides: | Technical guide for 15A |
| Related movements: | 1500 1520 |