Seiko 5256 Movement Details
Seiko caliber 5256 is a high grade automatic (with hand winding) watch movement. Production started around 1973.
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| Sub-brands: | King Seiko |
| Day / date? | Day + date |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | Yes |
| Rate: | 28,800 bph |
| Number of jewels: | 25 |
| Lift angle: | 52º |
| Size / diameter: | 25.6mm |
| Height: | 4.2mm |
| Development division: | Daini (Kameido, Tokyo, Japan) |
| Related movements: | 5206 |
Part Codes
| Stem code: | 354026 |
| Balance wheel code: | 310034 |
| Mainspring code: | 201054 |
| Date wheel code: | 801029 |
| Screw codes: | 012121 (stud screw), 012284, 012285, 012354, 012513 (ratchet wheel screw), 012672, 012673, 012677, 012679, 012726 (case screw), 012744, 012753, 012770 |