Seiko 2205 Movement Details
Seiko calibre 2205 is an automatic (with hand winding) watch movement.
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| Day / date? | Date only |
| GMT / world time? | No |
| Chronograph? | No |
| Rate: | 28,800 bph |
| Number of jewels: | 17, 21 or 25 |
| Lift angle: | 48º |
| Size / diameter: | 17.2mm |
| Height: | 5.65mm |
| Development division: | Daini (Kameido, Tokyo, Japan) |
| Notes: | The same as cal. 2206 but without day display (date only). |
| PDF guides: | Technical guide : 2205A |
| Related movements: | 2202 2206 |
Part Codes
| Stem code: | 351221 (short), 351222, 372220 (movement side), 373250 (crown side) |
| Balance wheel code: | 310221 |
| Mainspring code: | 201220 |
| Screw codes: | 012121 (stud screw), 012129, 012204, 012208, 012240, 012263, 012279, 012280, 012407 (case screw), 012422 (screw for oscillating weight), 012668, 012670, 012724 (dial screw), 012736, 012746, 012750 |