FHF 73-4 – interchangeable spare parts
FHF 73-4 movement
Which spare parts fit the FHF 73-4 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.
🔧 Interchangeable parts
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 73-4 (height × diameter × thickness × length) and matching mainspring in our shop:
📄 Technical document
View the original document for FHF 73-4 online:
🔗 Movements sharing the most parts
- FHF 735-4 (61 parts)
- FHF 73-4N (59 parts)
- FHF 735-4N (58 parts)
- FHF 739-4N (58 parts)
- FHF 73 (55 parts)
- FHF 735 (54 parts)
- FHF 739 (54 parts)
- FHF 67 (47 parts)
- FHF 671 (46 parts)
- FHF 675 (46 parts)
- FHF 676 (46 parts)
- FHF 73-2 (36 parts)
- FHF 73-2N (36 parts)
- FHF 67-2 (29 parts)
- FHF 67-2N (29 parts)
- FHF 671-2 (29 parts)
❓ Frequently asked questions
Which FHF 73-4 spare parts also fit other movements?
For the FHF 73-4, 42 part numbers are listed as interchangeable. Together they fit 105 other calibers – the table below shows which part fits which movement.
Which movements share the most parts with the FHF 73-4?
The most shared parts: FHF 735-4 (61 parts), FHF 73-4N (59 parts), FHF 735-4N (58 parts).
Which mainspring fits the FHF 73-4?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.40 × 10.5 × 0.12 × 340 mm (GR 3729, hand-wound, normal end hook).
🛠️ For the workshop
Original A60 Varnish Binder for Lume on Watch Dials and Hands – SuperLuminova – 1 g15,90 € incl. VAT *View item ›
Sapphire Watch Crystal, Flat, 1.5 mm, Ø 18 - 45 mm27,90 € – 42,90 € incl. VAT *View item ›
Sternkreuz Savonette Plastic Watch Crystal, Extra Thin, 22-46 mm – NOS12,90 € – 13,90 € incl. VAT *View item ›