Seiko 1520 Movement Details
Seiko caliber 1520 is a hand winding watch movement.
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| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Rate: | 19,800 bph |
| Number of jewels: | 17 or 23 |
| Lift angle: | 53º |
| Size / diameter: | 19.8mm x 9.6mm |
| Height: | 3.5mm |
| Development division: | Daini (Kameido, Tokyo, Japan) |
| PDF guides: | Parts list : 1520A |
| Related movements: | 15 |
Part Codes
| Stem code: | 351152 |
| Balance wheel code: | 310150 |
| Mainspring code: | 401150 |
| Screw codes: | 012102 (stud screw), 012107 (dial screw), 012113, 012207, 012208, 012406, 012549, 012652, 012701, 012802 |