Seiko 2501 Movement Details
                
                Seiko calibre 2501 is an automatic watch movement. 
                Find watches with this movement on eBay.
                
                
                
              
| Sub-brands: | Seikomatic Lady | 
| Day / date? | No | 
| GMT / world time? | No | 
| Chronograph? | No | 
| Rate: | 19,800 bph | 
| Number of jewels: | 17 | 
| Lift angle: | 49º | 
| Size / diameter: | 17.2mm | 
| Height: | 5.35mm | 
| Development division: | Daini (Kameido, Tokyo, Japan) | 
| Notes: | Used in ladies watches. The same as cal. 2505 but without date display. | 
| PDF guides: | Technical guide : 2501A | 
| Related movements: | 2505 2517 2559 | 
Part Codes
| Stem code: | 351251, 372250 (movement side), 373250 (crown side) | 
| Balance wheel code: | 310250 | 
| Mainspring code: | 401030 | 
| Screw codes: | 012118, 012120 (dial screw), 012121 (stud screw), 012204, 012241, 012251, 012252, 012407 (case screw), 012501, 012642, 012711 (screw for oscillating weight), 012718, 012744 |