FHF 729-4N – interchangeable spare parts
FHF 729-4N movement
Which spare parts fit the FHF 729-4N 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 729-4N (height × diameter × thickness × length) and matching mainspring in our shop:
🔗 Movements sharing the most parts
- FHF 725-4N (56 parts)
- FHF 725-4 (55 parts)
- FHF 72-4N (54 parts)
- FHF 72-4 (49 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)
❓ Frequently asked questions
Which FHF 729-4N spare parts also fit other movements?
For the FHF 729-4N, 42 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 729-4N?
The most shared parts: FHF 725-4N (56 parts), FHF 725-4 (55 parts), FHF 72-4N (54 parts).
Which mainspring fits the FHF 729-4N?
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
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Sternkreuz ATHG Watch Crystal, High Domed, Reinforced, Gold-Plated Ring – Wristwatch9,95 € – 11,95 € incl. VAT *View item ›
Clock Winding Key – 21 Sizes4,65 € – 8,95 € incl. VAT *View item ›