Technical data
| Manufacturer: | Bifora |
| Caliber: | 102 |
| Size: | 10 1/2''' |
| A/h: | 18000 |
| Number of jewels: | 15 |
| Escapement: | Pallet lever |
| Balance types: |
Nickel screw balance |
| Shock protection(s): |
none |
| Balance bearing / direction hairspring: | Clockwise |
| Moveable stud: | no |
| Adjust mechanism: | Long regulator arm |
| Construction: |
|
| Features: |
|
| Production period: | 1918 - 1934 |
| Production years: | 1918-1934 |