FHF 120 – interchangeable spare parts
FHF 120 movement
Which spare parts fit the FHF 120 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.
3Parts with interchange data
6Calibers sharing parts
Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of FHF and the original spare-part labels. All information has been carefully checked but is provided without guarantee. Please verify the interchangeability yourself before fitting, especially the height, diameter and execution of the part.
🔧 Interchangeable parts
| Part no. | Description | Also fits |
|---|---|---|
| 425 | Click | |
| 703ISO 30.040.11 | Escape wheel and pinion, for lower end-piece | AV 122Unitas 190 |
| 705ISO 30.040 | Escape wheel and pinion | AV 122Unitas 190 |
Source: original interchangeability lists of FHF (checked transcription) and checked original spare-part labels · as of 2026-10-17. Height / execution: the part fits only in this height or execution.
🌀 Matching mainspring
Mainspring dimensions for FHF 120 (height × diameter × thickness × length) and matching mainspring in our shop: