Felsa 233 – interchangeable spare parts

Felsa 233 movement

Which spare parts fit the Felsa 233 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

25Parts with interchange data
52Calibers 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.DescriptionAlso fits
201ISO 30.015Center wheel
AM 382
210ISO 30.025Third wheel
AM 382Felsa 382
224ISO 30.027.13Fourth wheel
AM 382Felsa 382
240ISO 31.080Cannon-pinion
Felsa 382
Height 198
AM 382Felsa 382Felsa 4020Felsa 4021Felsa 4022Felsa 4023Felsa 4120Felsa 4121Felsa 4122Felsa 4130
Height 218
AM 382Felsa 382Felsa 4020Felsa 4021Felsa 4022Felsa 4023Felsa 4120Felsa 4121Felsa 4122Felsa 4130
Height 238
AM 382Felsa 382Felsa 4020Felsa 4021Felsa 4022Felsa 4023Felsa 4120Felsa 4121Felsa 4122Felsa 4130
Height 278
AM 382Felsa 382Felsa 4020Felsa 4021Felsa 4022Felsa 4023Felsa 4120Felsa 4121Felsa 4122
Height 735
AM 382Felsa 382
250ISO 31.046Hour wheel
Felsa 382
Height 110
AM 382Felsa 382
Height 130
AM 382Felsa 382
Height 150
AM 382Felsa 382
Height 190
AM 382Felsa 382
Height 647
AM 382Felsa 382
260ISO 31.041Minute wheel
AM 382Felsa 382
301ISO 40.301Regulator for flat hairspring
AM 382Felsa 382
311ISO 70.800Upper cap jewel with end-piece
AM 382Felsa 290Felsa 291Felsa 372Felsa 372NFelsa 373Felsa 373NFelsa 382Felsa 4020Felsa 4021Felsa 4022Felsa 4023Felsa 4024Felsa 4025Felsa 4120Felsa 4121Felsa 4122Felsa 4124Felsa 4125
330ISO 70.801Lower cap jewel with end-piece
AM 382Felsa 294Felsa 300Felsa 304Felsa 382Felsa 390Felsa 391Felsa 395Felsa 399Felsa 750Felsa 751Felsa 752
336ISO 70.806Upper cap-jewel with end-piece, for escape wheel
1st execution
Felsa 290Felsa 291Felsa 370Felsa 382
2nd execution
Felsa 21Felsa 21 2eFelsa 21NFelsa 22Felsa 22NFelsa 26Felsa 27Felsa 28Felsa 29Felsa 290Felsa 291Felsa 302Felsa 370Felsa 372Felsa 372NFelsa 373Felsa 373NFelsa 382
346ISO 70.807Lower cap jewel with end-piece, f. esc. wheel
Felsa 370Felsa 382
407ISO 31.121Clutch wheel
AM 382Felsa 382
410ISO 31.120Winding pinion
AM 382Felsa 382
422ISO 81.067Crown wheel ring
AM 382Felsa 370Felsa 382
425ISO 51.120Click
2nd execution
Felsa 290Felsa 291Felsa 302Felsa 372Felsa 372NFelsa 373Felsa 373N
430ISO 61.080Click spring
AM 382Felsa 370Felsa 382
435ISO 51.050Yoke
AM 382Felsa 382Felsa 4020Felsa 4021Felsa 4022Felsa 4023Felsa 4025Felsa 4120Felsa 4121Felsa 4122Felsa 4125Felsa 4130
443ISO 51.080Setting lever
AM 382Felsa 382
443/5443ISO 51.080.06/.01Setting lever
AM 382Felsa 382
445ISO 51.090Setting lever spring
AM 382Felsa 382
according to original label
Felsa 380Felsa 382
450ISO 31.100Setting wheel
AM 382Felsa 382
702ISO 30.040.12Escape wheel and pinion, pivoted, for two end-pieces
Felsa 382
704ISO 30.040.10Escape wheel and pinion, for upper end-piece
Felsa 382
705ISO 30.040Escape wheel and pinion
AM 382Felsa 382
710ISO 40.010Jewelled pallet fork and stat
AM 382AS 1977AS 1977-2AS 1977-2 INTAS 1977-5AS 1978AS 1978-2AV 39Felsa 382Durowe 72Durowe 75Durowe 1977-4Durowe 1980

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

🌀 Matching mainspring

Mainspring dimensions for Felsa 233 (height × diameter × thickness × length) and matching mainspring in our shop:

🔗 Movements sharing the most parts

→ All calibers of Felsa

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