FHF 905 – interchangeable spare parts

FHF 905 movement

Which spare parts fit the FHF 905 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

42Parts with interchange data

87Calibers 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 908 FHF 909
195ISO 20.060	Barrel arbor	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
206ISO 30.015	Center wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
210ISO 30.025	Third wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
227ISO 30.027	Sweep second wheel	FHF 90-4 FHF 90-5 FHF 90-9 Height 485 FHF 90-4 FHF 90-5 FHF 90-9 Height 510 FHF 90-4 FHF 90-5 FHF 90-9
245ISO 31.080	Cannon pinion with clam notch	Height 155 FHF 65 FHF 65-4 FHF 66 FHF 66-4 FHF 66-4N FHF 66-9 FHF 90-4 FHF 90-5 FHF 90-9 FHF 665 FHF 665-4 FHF 665-4N FHF 665-9 Height 180 FHF 65 FHF 65-4 FHF 66 FHF 66-4 FHF 66-4N FHF 66-9 FHF 90-4 FHF 90-5 FHF 90-9 FHF 665 FHF 665-4 FHF 665-4N FHF 665-9
255ISO 31.046	Hour wheel	FHF 90-4 Height 105 FHF 65 FHF 65-4 FHF 66 FHF 66-4 FHF 66-4N FHF 66-9 FHF 90-4 FHF 90-5 FHF 90-9 FHF 665 FHF 665-4 FHF 665-4N FHF 665-9 Height 130 FHF 65 FHF 65-4 FHF 66 FHF 66-4 FHF 66-4N FHF 66-9 FHF 90-4 FHF 90-5 FHF 90-9 FHF 665 FHF 665-4 FHF 665-4N FHF 665-9
260ISO 31.041	Minute wheel	FHF 55 FHF 55-2 FHF 72 FHF 72-2 FHF 72-2N FHF 72-4 FHF 72-4N FHF 72-6 FHF 72-7 FHF 72-9 FHF 90-4 FHF 90-5 FHF 551 FHF 725 FHF 725-4 FHF 725-4N FHF 725-7 FHF 725-9 FHF 729 FHF 729-4N FHF 729-7
307ISO 40.301	Regulator with adjustable stud holder, for flat hairspring	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
311ISO 70.800	Upper cap jewel with end-piece	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
330ISO 70.801	Lower cap jewel with end-piece	FHF 90-4 FHF 90-5 FHF 90-9 FHF 692 FHF 908 FHF 909
342ISO 70.881	Bearing plate, jewelled, for sweep second wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
343ISO 70.891	Bearing plate, for sweep second wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
401ISO 51.010	Winding stem	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
407ISO 31.121	Clutch wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
410ISO 31.120	Winding pinion	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
415ISO 31.020	Ratchet wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
420ISO 31.023	Crown wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
423ISO 81.136	Crown wheel core	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 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 908 FHF 909 INT.S 37 INT.S 371 INT.S 372 INT.S 373 INT.S 374 INT.S 378
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 908 FHF 909 INT.S 37 INT.S 371 INT.S 372 INT.S 373 INT.S 374 INT.S 378
435ISO 51.050	Yoke	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
440ISO 61.100	Yoke spring	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
443/1ISO 51.080.06	Setting lever, assembled	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
445ISO 51.090	Setting lever spring	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
450ISO 31.100	Setting wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
705ISO 30.040	Escape wheel and pinion	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
710ISO 40.010	Jewelled pallet fork and stat	AS 1051AV 46ETA 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 908 FHF 909 Felsa 350 Felsa 351 Felsa 352 Felsa 720 Felsa 720N Felsa 721 Felsa 722 INT.S 36 Peseux 280 Unitas 190 Unitas 200 Unitas 200N Unitas 201 Unitas 201N Unitas 580 Unitas 630 Unitas 6360 Unitas 6365 Unitas 6365N 1st execution AS 1051AV 46ETA 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 908 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 908 FHF 909
1481ISO 32.031	Reduction gear	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
1482ISO 32.033	Driving gear for ratchet wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
1488ISO 32.037	Pawl winding wheel	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
1491ISO 52.120	Oscillating weight bolt	FHF 90-5 FHF 417-1 FHF 418-1 FHF 908 FHF 909
1496ISO 22.020	Oscillating weight axle	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
1498/1ISO 32.020.06	Bearing wheel for oscillating weight	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
1530ISO 32.038	Additional pawl winding wheel (without pinion)	FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
2543ISO 33.011	Intermediate date wheel	FHF 66-4 FHF 90-4 FHF 90-5 FHF 665-4 FHF 665-4N
2544ISO 33.100		FHF 90-4 FHF 90-5 FHF 90-9 FHF 908 FHF 909
2556/1ISO 33.020.06	Date indicator driving wheel	1st execution FHF 66-4N FHF 90-4 FHF 90-5 FHF 729-4N FHF 739-4N
2557/1ISO 91.440	Date indicator, transferred	FHF 90-4 FHF 90-5
2575ISO 63.030	Date jumper spring	FHF 90-4 FHF 90-5 FHF 908 FHF 909
2576ISO 53.080	Date jumper, mounted	FHF 90-4 FHF 90-5 FHF 908 FHF 909

Source: original interchangeability lists of FHF (checked transcription) and checked original spare-part labels · as of 2026-10-17. Height / execution: the part fits only in this height or execution.