Seiko 6R38 Movement Details
Seiko calibre 6R38 is an automatic (with hand winding) watch movement. Production started around 2022.
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| Sub-brands: | Presage |
| Power reserve: | 70 hours |
| Accuracy: | +25/-15 seconds/day (Seiko "C" standard) |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | Yes |
| Rate: | 21,600 bph |
| Number of jewels: | 24 |
| Notes: | The same as cal. 6R31 but partially skeletonized, so the balance wheel is visible from the dial side (which Seiko calls "open heart"). |
| PDF guides: | |
| Related movements: | 6R31 6R35 |