Felsa 300 – interchangeable spare parts

Felsa 300 movement

Which spare parts fit the Felsa 300 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

26Parts with interchange data

33Calibers 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 294 Felsa 304 Felsa 383 Felsa 384
195ISO 20.060	Barrel arbor	Felsa 294 Felsa 304 Felsa 383 Felsa 384
260ISO 31.041	Minute wheel	Felsa 294 Felsa 304 Felsa 383 Felsa 384
301ISO 40.301	Regulator for flat hairspring	Felsa 294 Felsa 304 Felsa 383 Felsa 384
311ISO 70.800	Upper cap jewel with end-piece	Felsa 294 Felsa 304 Felsa 383 Felsa 384 Felsa 415 Felsa 690 Felsa 692 Felsa 692N Felsa 693 Felsa 694 Felsa 695 Felsa 699 Felsa 760 Felsa 790 Felsa 792 Felsa 1560
330ISO 70.801	Lower cap jewel with end-piece	AM 382Felsa 233 Felsa 294 Felsa 304 Felsa 382 Felsa 390 Felsa 391 Felsa 395 Felsa 399 Felsa 750 Felsa 751 Felsa 752
336ISO 70.806	Upper cap-jewel with end-piece, for escape wheel	Felsa 294 2e Felsa 304
346ISO 70.807	Lower cap jewel with end-piece, f. esc. wheel	1st execution Felsa 81 Felsa 82 Felsa 294 Felsa 304 Felsa 350 Felsa 351 Felsa 352 Felsa 383 Felsa 384 2nd execution Felsa 294 Felsa 304 Felsa 383 Felsa 384 Felsa 390 Felsa 391 Felsa 395 Felsa 399 Felsa 750 Felsa 751 Felsa 752
401ISO 51.010	Winding stem	Felsa 294 Felsa 304 Felsa 383 Felsa 384
407ISO 31.121	Clutch wheel	Felsa 294 Felsa 304
410ISO 31.120	Winding pinion	Felsa 294 Felsa 304 Felsa 383 Felsa 384
415ISO 31.020	Ratchet wheel	Felsa 294 Felsa 304 Felsa 383 Felsa 384
420ISO 31.023	Crown wheel	Felsa 294 Felsa 304 Felsa 383 Felsa 384
422ISO 81.067	Crown wheel ring	Felsa 294 Felsa 304 Felsa 383 Felsa 384
425ISO 51.120	Click	Felsa 294 Felsa 304 Felsa 383 Felsa 384
430ISO 61.080	Click spring	Felsa 294 Felsa 304
435ISO 51.050	Yoke	Felsa 294 Felsa 304
440ISO 61.100	Yoke spring	Felsa 294 Felsa 304
443ISO 51.080	Setting lever	Felsa 294 Felsa 304
443/5443ISO 51.080.06/.01	Setting lever	Felsa 294 Felsa 304
445ISO 51.090	Setting lever spring	Felsa 294 Felsa 304
450ISO 31.100	Setting wheel	Felsa 294 Felsa 304
702ISO 30.040.12	Escape wheel and pinion, pivoted, for two end-pieces	Felsa 294 Felsa 304 Felsa 383 Felsa 384
704ISO 30.040.10	Escape wheel and pinion, for upper end-piece	Felsa 294 Felsa 304 Felsa 383 Felsa 384
705ISO 30.040	Escape wheel and pinion	Felsa 294 Felsa 304 Felsa 383 Felsa 384
710ISO 40.010	Jewelled pallet fork and stat	Arogno 151 AS 984 Felsa 294 Felsa 304 Felsa 383 Felsa 384

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

Felsa 300: 1.60 × 9.0 × 0.095 × 320 mm (GR 4477)

🔗 Movements sharing the most parts

→ All calibers of Felsa

❓ Frequently asked questions

Which Felsa 300 spare parts also fit other movements?

For the Felsa 300, 26 part numbers are listed as interchangeable. Together they fit 33 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the Felsa 300?

The most shared parts: Felsa 294 (27 parts), Felsa 304 (27 parts), Felsa 383 (17 parts).

Which mainspring fits the Felsa 300?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.60 × 9.0 × 0.095 × 320 mm (GR 4477, hand-wound, normal end hook).