| Brand | Rolex |
| Caliber Number | 1601 |
| Base Caliber | 1600 |
| Movement Type | Manual wind |
| In-House? | Yes |
| Lignes | 9.25”’ |
| Diameter | 20.8mm |
| Height | 2.32mm |
| Jewels | 19 / 20 |
| Power Reserve | ~48 hrs |
| Vibrations Per Hour | 19,800 bph |
| Anti-Shock Device | KIF |
| Features | Central hours, central minutes |
| Country of Manufacture | Switzerland |
The Rolex caliber 1601 is a 19 or 20 jewels manual wind watch movement. This movement is a 2-hander with hours and minutes only.
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