FHF 908 – interchangeable spare parts

FHF 908 movement

Which spare parts fit the FHF 908 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

43Parts with interchange data

57Calibers 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 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
195ISO 20.060	Barrel arbor	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
206ISO 30.015	Center wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
210ISO 30.025	Third wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
227ISO 30.027	Sweep second wheel	FHF 909 Height 560 FHF 909 Height 585 FHF 909
245ISO 31.080	Cannon pinion with clam notch	FHF 909 Height 230 FHF 909 Height 255 FHF 909
255ISO 31.046	Hour wheel	FHF 909 Height 180 FHF 909 Height 205 FHF 909
260ISO 31.041	Minute wheel	FHF 67 FHF 67-2 FHF 67-2N FHF 73 FHF 73-2 FHF 73-2N FHF 73-4 FHF 73-4N FHF 671 FHF 671-2 FHF 671-2N FHF 675 FHF 676 FHF 735 FHF 735-4 FHF 735-4N FHF 739 FHF 739-4N FHF 909 Height 45 FHF 67 FHF 67-2 FHF 67-2N FHF 73 FHF 73-2 FHF 73-2N FHF 73-4 FHF 73-4N FHF 671 FHF 671-2 FHF 671-2N FHF 675 FHF 676 FHF 735 FHF 735-4 FHF 735-4N FHF 739 FHF 739-4N FHF 909 Height 60 FHF 67 FHF 67-2 FHF 67-2N FHF 73 FHF 73-2 FHF 73-2N FHF 73-4 FHF 73-4N FHF 671 FHF 671-2 FHF 671-2N FHF 675 FHF 676 FHF 735 FHF 735-4 FHF 735-4N FHF 739 FHF 739-4N FHF 909
307ISO 40.301	Regulator with adjustable stud holder, for flat hairspring	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
311ISO 70.800	Upper cap jewel with end-piece	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
330ISO 70.801	Lower cap jewel with end-piece	FHF 90-4 FHF 90-5 FHF 90-9 FHF 692 FHF 905 FHF 909
342ISO 70.881	Bearing plate, jewelled, for sweep second wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
343ISO 70.891	Bearing plate, for sweep second wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
401ISO 51.010	Winding stem	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
407ISO 31.121	Clutch wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
410ISO 31.120	Winding pinion	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
415ISO 31.020	Ratchet wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
420ISO 31.023	Crown wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
423ISO 81.136	Crown wheel core	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
425ISO 51.120	Click	FHF 37 FHF 90-4 FHF 90-5 FHF 90-9 FHF 371 FHF 372 FHF 373 FHF 374 FHF 378 FHF 905 FHF 909 INT.S 37
430ISO 61.080	Click spring	FHF 37 FHF 90-4 FHF 90-5 FHF 90-9 FHF 371 FHF 372 FHF 373 FHF 374 FHF 378 FHF 905 FHF 909 INT.S 37
435ISO 51.050	Yoke	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
440ISO 61.100	Yoke spring	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
443/1ISO 51.080.06	Setting lever, assembled	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
445ISO 51.090	Setting lever spring	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
450ISO 31.100	Setting wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
705ISO 30.040	Escape wheel and pinion	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
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 642 FHF 905 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 642 FHF 905 FHF 909 Felsa 351 INT.S 36 Peseux 280 Unitas 190
1143/1ISO 22.010.06	Oscillating weight	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
1481ISO 32.031	Reduction gear	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
1482ISO 32.033	Driving gear for ratchet wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
1488ISO 32.037	Pawl winding wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
1491ISO 52.120	Oscillating weight bolt	FHF 90-5 FHF 417-1 FHF 418-1 FHF 905 FHF 909
1496ISO 22.020	Oscillating weight axle	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
1498/1ISO 32.020.06	Bearing wheel for oscillating weight	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
1530ISO 32.038	Additional pawl winding wheel (without pinion)	FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
2543ISO 33.011	Intermediate date wheel	FHF 909
2544ISO 33.100		FHF 90-4 FHF 90-5 FHF 90-9 FHF 905 FHF 909
2557/1ISO 91.440	Date indicator, transferred	FHF 909
2561/1ISO 91.441	Day indicator, for horizontal rectangular window opening at 3 o'clock	FHF 909
2575ISO 63.030	Date jumper spring	FHF 90-4 FHF 90-5 FHF 905 FHF 909
2576ISO 53.080	Date jumper, mounted	FHF 90-4 FHF 90-5 FHF 905 FHF 909
2780ISO 83.171	Day indicator spring-clip	FHF 909

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

FHF 908 Aut: 1.20 × 10.5 × 0.105 × 360 mm (GR 2938-X)

📄 Technical document

View the original document for FHF 908 online:

FHF 908 – Ø 25.60 mm

🔗 Movements sharing the most parts

→ All calibers of FHF

❓ Frequently asked questions

Which FHF 908 spare parts also fit other movements?

For the FHF 908, 43 part numbers are listed as interchangeable. Together they fit 57 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the FHF 908?

The most shared parts: FHF 909 (52 parts), FHF 90-5 (36 parts), FHF 905 (36 parts).

Which mainspring fits the FHF 908?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.20 × 10.5 × 0.105 × 360 mm (GR 2938-X, automatic, with welded slipping bridle).