FHF 73-2 – interchangeable spare parts
FHF 73-2 movement
Which spare parts fit the FHF 73-2 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 73-2 (height × diameter × thickness × length) and matching mainspring in our shop:
🔗 Movements sharing the most parts
- FHF 73-2N (45 parts)
- FHF 671-2 (38 parts)
- FHF 73 (36 parts)
- FHF 73-4 (36 parts)
- FHF 73-4N (36 parts)
- FHF 671-2N (36 parts)
- FHF 735 (35 parts)
- FHF 735-4 (35 parts)
- FHF 735-4N (35 parts)
- FHF 739 (35 parts)
- FHF 739-4N (35 parts)
- FHF 67-2 (32 parts)
- FHF 67-2N (31 parts)
- FHF 67 (30 parts)
- FHF 671 (29 parts)
- FHF 675 (29 parts)
❓ Frequently asked questions
Which FHF 73-2 spare parts also fit other movements?
For the FHF 73-2, 39 part numbers are listed as interchangeable. Together they fit 96 other calibers – the table below shows which part fits which movement.
Which movements share the most parts with the FHF 73-2?
The most shared parts: FHF 73-2N (45 parts), FHF 671-2 (38 parts), FHF 73 (36 parts).
Which mainspring fits the FHF 73-2?
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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