FE S73 – interchangeable spare parts

FE (France Ebauches) S73 movement

Which spare parts fit the FE S73 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

42Parts with interchange data

4Calibers sharing parts

Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of FE (France Ebauches) 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
105	Barrel bridge	Specify execution FE S73A
121/2	Balance cock for flat hairspring	Specify execution FE S73A
121/3	Balance cock for stud holder, shock-protecting device, flat hairspring	Specify execution FE S73A
182	Barrel and cover	FE S73A
195	Barrel arbor	FE S73A
240	Cannon-pinion	Specify execution FE S73A
250	Hour wheel	Specify execution FE S73A
311	Upper cap jewel with end-piece	FE 45 FE 67 FE S73A
330	Lower cap jewel with end-piece	FE S73A
336	Upper cap-jewel with end-piece, for escape wheel	FE 68 FE S73A
380 (3618)		Specify execution: pushed, screwed or keyed FE 45 FE 67 FE 68 FE S73A
381 (3619)		Specify execution FE 45 FE 67 FE 68 FE S73A
401	Winding stem	Specify execution: length FE S73A
407	Clutch wheel	FE S73A
410	Winding pinion	FE S73A
415	Ratchet wheel	FE S73A
420	Crown wheel	FE S73A
422	Crown wheel ring	FE S73A
425	Click	FE S73A
430	Click spring	FE S73A
435	Yoke	FE S73A
440	Yoke spring	FE S73A
443	Setting lever	FE S73A
445	Setting lever spring	FE S73A
450	Setting wheel	FE S73A
730/1	Hollowed-out roller	FE 45 FE 67 FE 68 FE S73A
770	Mainspring	Specify execution FE S73A
5105	Barrel bridge screw	FE 68 FE S73A
5110	Bridges and balance cock screws	FE 68 FE S73A
5121	Balance cock screw	FE 68 FE S73A
5125	Pallet cock screw	FE 68 FE S73A
5311	Upper end-piece screw	FE 45 FE 67 FE S73A
5330	Lower end-piece screw	FE S73A
5334		FE 68 FE S73A
5336	Upper end-piece screw, for escape wheel	FE 68 FE S73A
5346	Lower end-piece screw, for escape wheel	FE 68 FE S73A
5415	Ratchet wheel screw	FE S73A
5420	Crown wheel screw	FE S73A
5425	Click screw	FE S73A
5443	Setting lever screw	FE S73A
5445	Screw for setting lever spring	FE S73A
5750	Dial screw	FE 45 FE 67 FE 68 FE S73A

Source: original interchangeability lists of FE (France Ebauches) (checked transcription) and checked original spare-part labels · as of 2026-10-28. Height / execution: the part fits only in this height or execution.

🔗 Movements sharing the most parts

→ All calibers of FE (France Ebauches)

❓ Frequently asked questions

Which FE S73 spare parts also fit other movements?

For the FE S73, 42 part numbers are listed as interchangeable. Together they fit 4 other calibers – the table below shows which part fits which movement.