Technical data
| Manufacturer: | Förster |
| Caliber: | 1420 |
| Size: | 7 1/2''' |
| A/h: | 21600 |
| Number of jewels: | 21 |
| Escapement: | Pallet lever |
| Balance types: | Nickel anular balance |
| Shock protection(s): | Incabloc |
| Balance bearing / direction hairspring: | Clockwise |
| Moveable stud: | yes |
| Adjust mechanism: | Hairspring key |
| Features: |
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