FHF 642 – interchangeable spare parts

FHF 642 movement

Which spare parts fit the FHF 642 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

26Parts with interchange data

52Calibers sharing parts

Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of FHF and the original spare-part labels. All information has been carefully checked but is provided without guarantee. Please verify the interchangeability yourself before fitting, especially the height, diameter and execution of the part.

🔧 Interchangeable parts

Part no.	Description	Also fits
182ISO 20.030	Barrel and cover	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
195ISO 20.060	Barrel arbor	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
206ISO 30.015	Center wheel	FHF 64 FHF 64-2 FHF 64-2N
210ISO 30.025	Third wheel	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
227ISO 30.027	Sweep second wheel	FHF 64 FHF 641 Height 577 FHF 64 FHF 641 Height 599 FHF 64 FHF 641 Height 607 FHF 64 FHF 641 Height 637 FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N Height 659 FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N Height 677 FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
245ISO 31.080	Cannon pinion with clam notch	FHF 64 FHF 641 Height 189 FHF 64 FHF 641 Height 209 FHF 64 FHF 641 Height 219 FHF 64 FHF 641 Height 249 FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N Height 269 FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N Height 289 FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2
255ISO 31.046	Hour wheel	FHF 64 FHF 641 Height 110 FHF 64 FHF 641 Height 125 FHF 64 FHF 641 Height 140 FHF 64 FHF 641 Height 170 FHF 64 FHF 641 Height 185 FHF 64 FHF 641 Height 210 FHF 64 FHF 641
260ISO 31.041	Minute wheel	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N Height 51 FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
307ISO 40.301	Regulator with adjustable stud holder, for flat hairspring	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
346ISO 70.807	Lower cap jewel with end-piece, f. esc. wheel	FHF 63 FHF 63-2 FHF 64 FHF 64-2 FHF 64-2N FHF 66-9 FHF 72-9 FHF 641 FHF 641-2 FHF 641-2N FHF 665-9 FHF 725-9
401ISO 51.010	Winding stem	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
407ISO 31.121	Clutch wheel	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
410ISO 31.120	Winding pinion	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
415ISO 31.020	Ratchet wheel	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
420ISO 31.023	Crown wheel	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
422ISO 81.067	Crown wheel ring	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
425ISO 51.120	Click	FHF 57 FHF 57-21 FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
430ISO 61.080	Click spring	FHF 32 FHF 60 FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 60N FHF 62 FHF 62-2 FHF 62-2N FHF 63 FHF 63-2 FHF 64 FHF 64-2 FHF 64-2N FHF 75 FHF 77-21 FHF 601 FHF 641 FHF 641-2 FHF 641-2N Durowe 69-21 INT.S 69-21 ST 69 according to original label FHF 32 FHF 60 FHF 60-1 FHF 60-2 FHF 60-2N FHF 60-21 FHF 60N FHF 61 FHF 62 FHF 62-2 FHF 62-2N FHF 63 FHF 63-2 FHF 64 FHF 64-2 FHF 64-2N FHF 75 FHF 77-21 FHF 601 FHF 641 FHF 641-2 FHF 641-2N Durowe 69-21 INT.S 69-21 ST 69 ST 69-21 ST 691
435ISO 51.050	Yoke	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
440ISO 61.100	Yoke spring	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
443ISO 51.080	Setting lever	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
443/5443ISO 51.080.06/.01	Setting lever	FHF 64 FHF 641 FHF 641-2 FHF 641-2N
445ISO 51.090	Setting lever spring	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
450ISO 31.100	Setting wheel	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
702ISO 30.040.12	Escape wheel and pinion, pivoted, for two end-pieces	FHF 64 FHF 64-2 FHF 64-2N FHF 641 FHF 641-2 FHF 641-2N
710ISO 40.010	Jewelled pallet fork and stat	AS 1051 AV 46 ETA 1302 FEF 270 FHF 62 FHF 65 FHF 65-4 FHF 90-4 FHF 90-5 FHF 90-9 FHF 138.001 FHF 138.011 FHF 138.311 FHF 641 FHF 641-2 FHF 641-2N FHF 905 FHF 908 FHF 909 Felsa 351 INT.S 36 Peseux 280 Unitas 190 1st execution AS 1051 AV 46 ETA 1302 FEF 270 FHF 62 FHF 62-2 FHF 62-2N FHF 63 FHF 63-2 FHF 64-2 FHF 64-2N FHF 65 FHF 65-4 FHF 90-4 FHF 90-5 FHF 90-9 FHF 138.001 FHF 138.011 FHF 138.311 FHF 641 FHF 641-2 FHF 641-2N FHF 905 FHF 908 FHF 909 Felsa 351 INT.S 36 Peseux 280 Unitas 190

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 642 (height × diameter × thickness × length) and matching mainspring in our shop:

FHF 642 à 650: 1.35 × 7.5 × 0.085 × 260 mm (GR 3486)

🔗 Movements sharing the most parts

→ All calibers of FHF

❓ Frequently asked questions

Which FHF 642 spare parts also fit other movements?

For the FHF 642, 26 part numbers are listed as interchangeable. Together they fit 52 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the FHF 642?

The most shared parts: FHF 641 (46 parts), FHF 64 (45 parts), FHF 641-2 (31 parts).

Which mainspring fits the FHF 642?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.35 × 7.5 × 0.085 × 260 mm (GR 3486, hand-wound, normal end hook).