| 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.
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