Seiko 6220 Movement Details
Seiko caliber 6220 is a hand winding watch movement. Production was in the 1960s.
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| Sub-brands: | Skyliner |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Rate: | 18,000 bph |
| Number of jewels: | 17 or 21 |
| Lift angle: | 54.5º |
| Size / diameter: | 25.6mm |
| Height: | 3.35mm |
| Stem code: | 351623 |
| Balance wheel code: | 310620 |
| Mainspring code: | 401620 |
| Screw codes: | 022150 (stud screw), 022253 (dial screw), 022258, 022266, 022351, 022354 (case screw), 022356, 022551, 022653, 022657, 022750, 022752 |
| Notes: | Same as cal. 6222 but without date display. |
| Related movements: | 6222 |