Felsa 4466 – interchangeable spare parts

Felsa 4466 movement

Which spare parts fit the Felsa 4466 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

46Parts with interchange data

9Calibers sharing parts

Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of Felsa 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	Felsa 4460 Felsa 4462 Felsa 4560 Felsa 4562
195ISO 20.060	Barrel arbor	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
206ISO 30.015	Center wheel	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
210ISO 30.025	Third wheel	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
227ISO 30.027	Sweep second wheel	Felsa 4456 Height 574 Felsa 4456
245ISO 31.080	Cannon pinion with clam notch	Felsa 4456 Height 250 Felsa 4456
255ISO 31.046	Hour wheel	Felsa 4456 Height 190 Felsa 4456
260ISO 31.041	Minute wheel	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
307ISO 40.301	Regulator with adjustable stud holder, for flat hairspring	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
311ISO 70.800	Upper cap jewel with end-piece	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
330ISO 70.801	Lower cap jewel with end-piece	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
401ISO 51.010	Winding stem	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
407ISO 31.121	Clutch wheel	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
410	Winding pinion	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
415ISO 31.020	Ratchet wheel	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
420ISO 31.023	Crown wheel	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
423ISO 81.136	Crown wheel core	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
425ISO 51.120	Click	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
430ISO 61.080	Click spring	Felsa 4460 Felsa 4462 Felsa 4560 Felsa 4562
435ISO 51.050	Yoke	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
440ISO 61.100	Yoke spring	Felsa 4460 Felsa 4462 Felsa 4560 Felsa 4562
443ISO 51.080	Setting lever	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
443/5443ISO 51.080.06/.01	Setting lever	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
445ISO 51.090	Setting lever spring	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
450ISO 31.100	Setting wheel	Felsa 4450 Felsa 4452 Felsa 4456 Felsa 4460 Felsa 4462 Felsa 4550 Felsa 4552 Felsa 4560 Felsa 4562
462ISO 10.062	Minute work cock	Felsa 4450 Felsa 4456 Felsa 4460 Felsa 4550 Felsa 4560
705ISO 30.040	Escape wheel and pinion	Felsa 4460 Felsa 4462
1143/1ISO 22.010.06	Oscillating weight	Felsa 4460 Felsa 4462 Felsa 4560 Felsa 4562
1478ISO 32.100	Oscillating weight pinion	Felsa 4460 Felsa 4462 Felsa 4560 Felsa 4562
1481ISO 32.031	Reduction gear	Felsa 4460 Felsa 4462 Felsa 4560 Felsa 4562
1482ISO 32.035	Driving gear for ratchet wheel	Felsa 4460 Felsa 4462 Felsa 4560 Felsa 4562
1488ISO 32.037	Pawl winding wheel	Felsa 4460 Felsa 4462 Felsa 4560 Felsa 4562
1491ISO 52.120	Oscillating weight bolt	Felsa 4460 Felsa 4462 Felsa 4560 Felsa 4562
1496ISO 22.020	Oscillating weight axle	Felsa 4460 Felsa 4462 Felsa 4560 Felsa 4562
1502ISO 72.970		Felsa 4460 Felsa 4462 Felsa 4560 Felsa 4562
1530ISO 32.038	Additional pawl winding wheel (without pinion)	Felsa 4460 Felsa 4462 Felsa 4560 Felsa 4562
2535ISO 13.105	Date indicator guard	Felsa 4456
2543/1ISO 33.011.06	Intermediate date wheel	Felsa 4456
2555ISO 33.028	Calendar driving wheel	Felsa 4456
2557/1ISO 91.440	Date indicator, transferred	Felsa 4456
2560ISO 33.021	Day star driving wheel	Felsa 4456
2561/1ISO 91.441	Day indicator, for horizontal rectangular window opening at 3 o'clock	Felsa 4456
2573ISO 63.032	Day jumper spring	Felsa 4456
2575ISO 63.030	Date jumper spring	Felsa 4452 Felsa 4456 Felsa 4462 Felsa 4552 Felsa 4562
2576ISO 53.080	Date jumper, mounted	Felsa 4452 Felsa 4456 Felsa 4462 Felsa 4552 Felsa 4562
2577ISO 53.081	Day jumper	Felsa 4456

Source: original interchangeability lists of Felsa (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 Felsa 4466 (height × diameter × thickness × length) and matching mainspring in our shop:

Felsa 4466 Aut: 1.20 × 10.5 × 0.12 × 360 mm (GR 2975-X)

🔗 Movements sharing the most parts

→ All calibers of Felsa

❓ Frequently asked questions

Which Felsa 4466 spare parts also fit other movements?

For the Felsa 4466, 46 part numbers are listed as interchangeable. Together they fit 9 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the Felsa 4466?

The most shared parts: Felsa 4456 (36 parts), Felsa 4462 (34 parts), Felsa 4460 (33 parts).

Which mainspring fits the Felsa 4466?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.20 × 10.5 × 0.12 × 360 mm (GR 2975-X, automatic, with welded slipping bridle).