FHF 671 – interchangeable spare parts
FHF 671 movement
Which spare parts fit the FHF 671 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 671 (height × diameter × thickness × length) and matching mainspring in our shop:
🔗 Movements sharing the most parts
- FHF 67 (56 parts)
- FHF 675 (56 parts)
- FHF 676 (56 parts)
- FHF 735 (47 parts)
- FHF 735-4 (47 parts)
- FHF 735-4N (47 parts)
- FHF 739 (47 parts)
- FHF 739-4N (47 parts)
- FHF 73 (46 parts)
- FHF 73-4 (46 parts)
- FHF 73-4N (46 parts)
- FHF 671-2 (37 parts)
- FHF 671-2N (37 parts)
- FHF 67-2 (35 parts)
- FHF 67-2N (35 parts)
- FHF 675-4 (35 parts)
❓ Frequently asked questions
Which FHF 671 spare parts also fit other movements?
For the FHF 671, 36 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 671?
The most shared parts: FHF 67 (56 parts), FHF 675 (56 parts), FHF 676 (56 parts).
Which mainspring fits the FHF 671?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.40 × 9.0 × 0.10 × 320 mm (GR 3665, 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 ›