Seiko 4S27 Movement Details
Seiko caliber 4S27 is an automatic (with hand winding) watch movement. Production started around 2003 and production finished in 2007.
| Sub-brands: | Brightz |
| Power reserve: | 50 hours |
| Accuracy: | +25/-15 seconds/day (Seiko "C" standard) |
| Day / date? | Day + date |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | Yes |
| Rate: | 28,800 bph |
| Number of jewels: | 28 |
| Notes: | Has a retrograde day display. The same as cal. 4S27 but without the higher grade finishing. |
| PDF guides: | |
| Related movements: | 4S77 |
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