FHF 552 – interchangeable spare parts

FHF 552 movement

Which spare parts fit the FHF 552 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
218	Third wheel and pinion, for lower end-piece	according to original label FHF 55 FHF 72
219	Third wheel and pinion, for two end-pieces	according to original label FHF 55 FHF 72
404	Stem for waterproof case, with slot	Height 915according to original label FHF 55 FHF 55-2 FHF 55-4 FHF 552-2 FHF 552-2N

Source: original interchangeability lists of FHF (checked transcription) and checked original spare-part labels · as of 2026-10-28. Height / execution: the part fits only in this height or execution.

🌀 Matching mainspring

Mainspring dimensions for FHF 552 (height × diameter × thickness × length) and matching mainspring in our shop:

FHF 552: 1.20 × 9.0 × 0.11 × 300 mm (GR 2949)

🔗 Movements sharing the most parts

→ All calibers of FHF

❓ Frequently asked questions

Which FHF 552 spare parts also fit other movements?

For the FHF 552, 3 part numbers are listed as interchangeable. Together they fit 6 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the FHF 552?

The most shared parts: FHF 55 (3 parts), FHF 72 (2 parts), FHF 55-2 (1 parts).

Which mainspring fits the FHF 552?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.20 × 9.0 × 0.11 × 300 mm (GR 2949, hand-wound, normal end hook).