FHF 73 – interchangeable spare parts
FHF 73 movement
Which spare parts fit the FHF 73 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 (height × diameter × thickness × length) and matching mainspring in our shop:
📄 Technical document
View the original document for FHF 73 online:
🔗 Movements sharing the most parts
- FHF 73-4 (55 parts)
- FHF 73-4N (55 parts)
- FHF 735 (54 parts)
- FHF 735-4 (54 parts)
- FHF 735-4N (54 parts)
- FHF 739 (54 parts)
- FHF 739-4N (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 spare parts also fit other movements?
For the FHF 73, 35 part numbers are listed as interchangeable. Together they fit 103 other calibers – the table below shows which part fits which movement.
Which movements share the most parts with the FHF 73?
The most shared parts: FHF 73-4 (55 parts), FHF 73-4N (55 parts), FHF 735 (54 parts).
Which mainspring fits the FHF 73?
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
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Red Teflon Hard Gasket For Watch Caseback Multi Size Listing Ø 16-42. Suitable for many brand watches such as Omega, Tissot, Junghans5,95 € – 7,95 € incl. VAT *View item ›
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