Felsa 4058 – interchangeable spare parts

Felsa 4058 movement

Which spare parts fit the Felsa 4058 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

35Parts with interchange data

24Calibers 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 4057
195ISO 20.060	Barrel arbor	Felsa 4057
206ISO 30.015	Center wheel	Felsa 4057
211ISO 30.025	Double third wheel	Felsa 700 Felsa 700N Felsa 702 Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057
220ISO 30.027	Fourth wheel	Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057
245ISO 31.080	Cannon pinion with clam notch	Felsa 700 Felsa 700N Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057 Height 177 Felsa 700 Felsa 700N Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057 Height 201 Felsa 700 Felsa 700N Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057 Height 226 Felsa 700 Felsa 700N Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057 Height 241 Felsa 700 Felsa 700N Felsa 702 Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057
255ISO 31.046	Hour wheel	Felsa 700 Felsa 700N Felsa 705 Felsa 705N Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057 Height 105 Felsa 700 Felsa 700N Felsa 705 Felsa 705N Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057 Height 130 Felsa 700 Felsa 700N Felsa 705 Felsa 705N Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057 Height 155 Felsa 700 Felsa 700N Felsa 705 Felsa 705N Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057 Height 170 Felsa 700 Felsa 700N Felsa 705 Felsa 705N Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057
275ISO 30.082	Sweep second pinion	Felsa 4057 Height 519 Felsa 4057 Height 545 Felsa 4057 Height 570 Felsa 4057 Height 585 Felsa 4057
301ISO 40.301	Regulator for flat hairspring	Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057
307ISO 40.301	Regulator with adjustable stud holder, for flat hairspring	Felsa 4057
311ISO 70.800	Upper cap jewel with end-piece	Felsa 302 Felsa 350 Felsa 351 Felsa 352 Felsa 720 Felsa 720N Felsa 721 Felsa 722 Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 800 Felsa 4057
334ISO 70.850	End-piece with cap jewels for two wheels	Felsa 4057
401ISO 51.010	Winding stem	Felsa 700 Felsa 700N Felsa 702 Felsa 705 Felsa 705N Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057
407ISO 31.121	Clutch wheel	Felsa 700 Felsa 700N Felsa 702 Felsa 705 Felsa 705N Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057
410	Winding pinion	Felsa 780 Felsa 4057
415ISO 31.020	Ratchet wheel	Felsa 4057
420ISO 31.023	Crown wheel	Felsa 4057
422ISO 81.067	Crown wheel ring	Felsa 4057
425ISO 51.120	Click	Felsa 780 2e Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057
430ISO 61.080	Click spring	Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057
435ISO 51.050	Yoke	Felsa 700 Felsa 700N Felsa 702 Felsa 705 Felsa 705N Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057
440ISO 61.100	Yoke spring	Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057
443ISO 51.080	Setting lever	Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057
443/5443ISO 51.080.06/.01	Setting lever	Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057
445ISO 51.090	Setting lever spring	Felsa 4057
450ISO 31.100	Setting wheel	Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057
704ISO 30.040.10	Escape wheel and pinion, for upper end-piece	Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N
705ISO 30.040	Escape wheel and pinion	Felsa 780 Felsa 780N Felsa 781 Felsa 781N Felsa 782 Felsa 782N Felsa 4057
2535ISO 13.105	Date indicator guard	Felsa 783
2543ISO 33.011	Intermediate date wheel	Felsa 783
2556ISO 33.020	Date indicator driving wheel	Felsa 783
2557/1ISO 91.440	Date indicator, transferred	Felsa 783
2575ISO 63.030	Date jumper spring	Felsa 783
2576ISO 53.080	Date jumper, mounted	Felsa 783 Felsa 4025 Felsa 4125
2643ISO 13.102		Felsa 783

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 4058 (height × diameter × thickness × length) and matching mainspring in our shop:

Felsa 4058: 1.20 × 7.5 × 0.095 × 240 mm (GR 2900)

📄 Technical document

View the original document for Felsa 4058 online:

Felsa 4058 – Ø 19.40 mm

🔗 Movements sharing the most parts

→ All calibers of Felsa

❓ Frequently asked questions

Which Felsa 4058 spare parts also fit other movements?

For the Felsa 4058, 35 part numbers are listed as interchangeable. Together they fit 24 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the Felsa 4058?

The most shared parts: Felsa 4057 (39 parts), Felsa 780 (26 parts), Felsa 780N (25 parts).

Which mainspring fits the Felsa 4058?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.20 × 7.5 × 0.095 × 240 mm (GR 2900, hand-wound, normal end hook).