| Manufacturer | Orient (Seiko Epson) |
| Caliber Number | 40N52 |
| Movement Type | Automatic, self-winding mechanical |
| In-House? | Yes |
| Jewels | 22 |
| Beat Rate | 21,600 vph |
| Lift Angle | Unconfirmed |
| Accuracy | -15~+25 sec/day |
| Power Reserve | 40 hours |
| Hand-Windable? | Yes |
| Anti-Shock Device | Diashock |
| Hand Count | 4 |
| Functions | Central hours; central minutes; central sweeping seconds; date at 3:00; power reserve indicator at 12:00 |
| Hacking Seconds? | Yes |
| Country of Manufacture | Made in Japan |
| Known Models | Orient Star Classic Automatic Power Reserve (Too many to list. Add your watch to the comments below…) |
The Orient caliber 40N52 is an automatic watch movement with a power reserve indicator spanning from 11:00 to 1:00.
Additional Resources:
Note: This caliber listing is still being updated, but feel free to start discussions on it in the comments below…
network of watch sites
Recent Comments
Hi Omega caliber 571 and 570 escape wheel is same or different
Yep, 763e. That has to be it. Thanks for your confirmation. Many thanks
https://calibercorner.com/ronda-caliber-763e/
Ah, I believe it's a 763e Am I correct?
Glad you found it! https://calibercorner.com/ronda-caliber-763/
Without taking mine apart, I found the same exact watch with the Ronda movement. Face…
Hi Keith, please try posting a picture of the movement and watch in the forum.