Unitas 531
Description
A nicely decorated swiss lever movement is the Unitas caliber 531 (or probably another one from the caliber series Unitas 530). As you can see, it is a very old form movement, one of the first ladies’ anchor form movements.
Unitas 531: Dial side
Technical data
| Manufacturer: | Unitas |
| Caliber: | 531 |
| Size: | 5 1/4''' |
| A/h: | 18000 |
| Number of jewels: | 15 |
| Escapement: | Pallet lever |
| Balance types: | Nickel anular balance |
| Shock protection(s): | none |
| Balance bearing / direction hairspring: | Counterclockwise |
| Moveable stud: | no |
| Adjust mechanism: | Hairspring key |
| Construction: |
|
| Winding mechanism: | yoke winding system |
| Setting lever spring: | 3 holes |
Usage gallery
Fako Watch ladies' watch