Seiko 4S28 Movement Details
Seiko caliber 4S28 is a hand winding watch movement.
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| Sub-brands: | Laurel, Brightz |
| Power reserve: | 40 hours |
| Accuracy: | +25/-15 seconds/day (Seiko "C" standard) |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Rate: | 28,800 bph |
| Number of jewels: | 24 |
| Notes: | Has a small seconds dial. |
| Related movements: | 4S24 4S29 |