FHF 671-2N – interchangeable spare parts
FHF 671-2N movement
Which spare parts fit the FHF 671-2N 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 671-2N (height × diameter × thickness × length) and matching mainspring in our shop:
🔗 Movements sharing the most parts
- FHF 671-2 (46 parts)
- FHF 67-2N (41 parts)
- FHF 67-2 (40 parts)
- FHF 73-2N (39 parts)
- FHF 67 (37 parts)
- FHF 671 (37 parts)
- FHF 675 (37 parts)
- FHF 676 (37 parts)
- FHF 73-2 (36 parts)
- FHF 675-4 (31 parts)
- FHF 676-4 (31 parts)
- FHF 735 (30 parts)
- FHF 735-4 (30 parts)
- FHF 735-4N (30 parts)
- FHF 739 (30 parts)
- FHF 739-4N (30 parts)
❓ Frequently asked questions
Which FHF 671-2N spare parts also fit other movements?
For the FHF 671-2N, 42 part numbers are listed as interchangeable. Together they fit 97 other calibers – the table below shows which part fits which movement.
Which movements share the most parts with the FHF 671-2N?
The most shared parts: FHF 671-2 (46 parts), FHF 67-2N (41 parts), FHF 67-2 (40 parts).
Which mainspring fits the FHF 671-2N?
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
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