FE S73A – interchangeable spare parts

FE (France Ebauches) S73A movement

Which spare parts fit the FE S73A movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

51Parts with interchange data

44Calibers 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 S73
121/2	Balance cock for flat hairspring	Specify execution FE S73
121/3	Balance cock for stud holder, shock-protecting device, flat hairspring	Specify execution FE S73
182	Barrel and cover	FE S73
195	Barrel arbor	FE S73
240	Cannon-pinion	Specify execution FE S73
250	Hour wheel	Specify execution FE S73
301	Regulator for flat hairspring	Specify execution FE 45 FE 67
307	Regulator with adjustable stud holder, for flat hairspring	Specify execution FE 45 FE 67 FE 68
311	Upper cap jewel with end-piece	FE 45 FE 67 FE 45 FE 67 FE S73
330	Lower cap jewel with end-piece	FE S73
336	Upper cap-jewel with end-piece, for escape wheel	FE 68 FE 68 FE S73
346	Lower cap jewel with end-piece, f. esc. wheel	FE 68
380 (3618)		Specify execution: pushed, screwed or keyed FE 45 FE 67 FE 68 Specify execution: pushed, screwed or keyed FE 45 FE 67 FE 68 FE S73
381 (3619)		Specify execution FE 45 FE 67 FE 68 Specify execution FE 45 FE 67 FE 68 FE S73
401	Winding stem	Specify execution: length FE S73
407	Clutch wheel	FE S73
410	Winding pinion	FE S73
415	Ratchet wheel	FE S73
420	Crown wheel	FE S73
422	Crown wheel ring	FE S73
425	Click	FE S73
430	Click spring	FE S73
435	Yoke	FE S73
440	Yoke spring	FE S73
443	Setting lever	FE S73
445	Setting lever spring	FE S73
450	Setting wheel	FE S73
702	Escape wheel and pinion, pivoted, for two end-pieces	FE 45
705	Escape wheel and pinion	Specify execution FE 45
710	Jewelled pallet fork and stat	FE 45 FE 67 FE 68
721	Balance with flat hairspring, regulated	Specify execution FE 45
728	Balance staff for shockprotecting device	FE 45 FE 67 FE 68
730/1	Hollowed-out roller	FE 45 FE 67 FE 68 FE 45 FE 67 FE 68 FE S73
770	Mainspring	Specify execution FE S73
5105	Barrel bridge screw	FE 68 FE 68 FE S73
5110	Bridges and balance cock screws	FE 68 FE 68 FE S73
5121	Balance cock screw	FE 68 FE 68 FE S73
5125	Pallet cock screw	FE 68 FE 68 FE S73
5311	Upper end-piece screw	FE 45 FE 67 FE 45 FE 67 FE S73
5330	Lower end-piece screw	FE S73
5334		FE 68 FE 68 FE S73
5336	Upper end-piece screw, for escape wheel	FE 68 FE 68 FE S73
5346	Lower end-piece screw, for escape wheel	FE 68 FE 68 FE S73
5415	Ratchet wheel screw	FE S73
5420	Crown wheel screw	FE S73
5425	Click screw	FE S73
5443	Setting lever screw	FE S73
5445	Screw for setting lever spring	FE S73
5738	Hairspring stud screw	FE 23D FE 26D FE 26DC FE 27DC FE 45 FE 55 FE 55A FE 55BD FE 67 FE 68 FE 140 FE 140-1 FE 140-1A FE 140-1AD FE 140-1B FE 140-2 FE 140-2A FE 140A FE 160 FE 160-1 FE 233-60 FE 233-66 FE 233-67 FE 233-67A FE 233-68 FE 233-69 FE 233-69A FE 233-69AD FE 233-69B FE 233-70 FE 233-70A FE 233-70C FE 233-72 FE 233-72B FE 3601 FE 3602 FE 3611 FE 3612 FE 4611 FE 4612 FE PS31A FE PS32C FE PS33C FE 23D FE 26D FE 26DC FE 27DC FE 45 FE 55 FE 55A FE 55BD FE 67 FE 68 FE PS31A FE PS32C FE PS33C
5750	Dial screw	FE 45 FE 67 FE 68 FE 45 FE 67 FE 68 FE S73

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 S73A spare parts also fit other movements?

For the FE S73A, 51 part numbers are listed as interchangeable. Together they fit 44 other calibers – the table below shows which part fits which movement.