Seiko 4R36 Movement Details
Seiko caliber 4R36 is an automatic (with hand winding) watch movement produced from around 2011.
| Sub-brands: | Prospex, Seiko 5 |
| Power reserve: | 41 hours |
| Accuracy: | +45/-35 seconds/day |
| Day / date? | Day + date |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | Yes |
| Rate: | 21,600 bph |
| Number of jewels: | 24 |
| Lift angle: | 53º |
| Size / diameter: | 27.0mm |
| Height: | 5.32mm |
| Stem code: | 351200 (tap 10) |
| Balance wheel code: | 310197 |
| Mainspring code: | 201083 |
| Notes: | Also sold as NH36. Considered as an upgrade to cal. 7S36. |
| PDF guides: | Technical guide for 4R35B & 4R36A |
| Related movements: | 4R35 4R37 4R38 4R39 |
Articles
- Bubble and squeak: another 30 minute mod [adventuresinamateurwatchfettling.com]
- Seiko 4R36 -The Family In Brief [watcharama.com]
- What is Seiko caliber 4R36? [strapcode.com]