FHF 725-4 – interchangeable spare parts
FHF 725-4 movement
Which spare parts fit the FHF 725-4 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.
đź”§ 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 725-4 (height Ă— diameter Ă— thickness Ă— length) and matching mainspring in our shop:
đź”— Movements sharing the most parts
- FHF 729-4N (55 parts)
- FHF 725-4N (54 parts)
- FHF 72-4N (52 parts)
- FHF 72-4 (51 parts)
- FHF 72-9 (47 parts)
- FHF 725 (47 parts)
- FHF 729 (47 parts)
- FHF 72 (46 parts)
- FHF 725-7 (46 parts)
- FHF 729-7 (46 parts)
- FHF 72-6 (45 parts)
- FHF 72-7 (45 parts)
- FHF 725-9 (43 parts)
- FHF 55 (38 parts)
- FHF 551 (37 parts)
- FHF 72-2 (31 parts)
âť“ Frequently asked questions
Which FHF 725-4 spare parts also fit other movements?
For the FHF 725-4, 41 part numbers are listed as interchangeable. Together they fit 99 other calibers – the table below shows which part fits which movement.
Which movements share the most parts with the FHF 725-4?
The most shared parts: FHF 729-4N (55 parts), FHF 725-4N (54 parts), FHF 72-4N (52 parts).
Which mainspring fits the FHF 725-4?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.20 × 10.5 × 0.12 × 340 mm (GR 2974, hand-wound, normal end hook).
🛠️ For the workshop
Watch Crystal Sternkreuz ATCR, Domed, Reinforced with Chrome Ring – NOS10,90 € incl. VAT *View item ›
Pocket Watch Key Set, 14 Pieces, Brass, with Key Chain12,90 € incl. VAT *View item ›
Watch Gasket Hytrel I-Ring Seal for Flat Round Mineral Crystals 16-40 mm, H: 0.6, 0.8, 0.85, 1.25, 1.7 mm5,95 € – 9,95 € incl. VAT *View item ›