FEF 6633 – interchangeable spare parts

FEF 6633 movement

Which spare parts fit the FEF 6633 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

25Parts with interchange data
30Calibers sharing parts
Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of FEF 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
182ISO 20.030Barrel and cover
FEF 6632
195ISO 20.060Barrel arbor
FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6700FEF 6701FEF 6710FEF 6711
201ISO 30.015Center wheel
FEF 6632
210ISO 30.025Third wheel
FEF 6632
220ISO 30.027Fourth wheel
FEF 6632
240ISO 31.080Cannon-pinion
FEF 270FEF 370FEF 371FEF 371NFEF 372FEF 373FEF 430FEF 1270FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6660FEF 6662FEF 6700FEF 6701
Height 195
FEF 270FEF 370FEF 371FEF 371NFEF 372FEF 373FEF 430FEF 1270FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6660FEF 6662FEF 6700FEF 6701
Height 210
FEF 270FEF 370FEF 371FEF 371NFEF 372FEF 373FEF 430FEF 1270FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6660FEF 6662FEF 6700FEF 6701
Height 220
FEF 270FEF 370FEF 371FEF 371NFEF 372FEF 373FEF 430FEF 1270FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6660FEF 6662FEF 6700FEF 6701
Height 245
FEF 270FEF 370FEF 371FEF 371NFEF 372FEF 373FEF 430FEF 1270FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6660FEF 6662FEF 6700FEF 6701
Height 270
FEF 270FEF 370FEF 371FEF 371NFEF 372FEF 373FEF 430FEF 1270FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6660FEF 6662FEF 6700FEF 6701
Height 295
FEF 270FEF 370FEF 371FEF 371NFEF 372FEF 373FEF 430FEF 1270FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6660FEF 6662FEF 6700FEF 6701
Height 320
FEF 270FEF 370FEF 371FEF 371NFEF 372FEF 373FEF 430FEF 1270FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6660FEF 6662FEF 6700FEF 6701
Height 345
FEF 270FEF 370FEF 371FEF 371NFEF 372FEF 373FEF 430FEF 1270FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6660FEF 6662FEF 6700FEF 6701
Height 370
FEF 270FEF 370FEF 371FEF 371NFEF 372FEF 373FEF 430FEF 1270FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6660FEF 6662FEF 6700FEF 6701
Height 395
FEF 270FEF 370FEF 371FEF 371NFEF 372FEF 373FEF 430FEF 1270FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6660FEF 6662FEF 6700FEF 6701
Height 420
FEF 270FEF 370FEF 371FEF 371NFEF 372FEF 373FEF 430FEF 1270FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6660FEF 6662FEF 6700FEF 6701
Height 445
FEF 270FEF 370FEF 371FEF 371NFEF 372FEF 373FEF 430FEF 1270FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6660FEF 6662FEF 6700FEF 6701
Height 595
FEF 270FEF 370FEF 371FEF 371NFEF 372FEF 373FEF 430FEF 1270FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6660FEF 6662FEF 6700FEF 6701
250ISO 31.046Hour wheel
FEF 430FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6700FEF 6701
Height 106
FEF 430FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6700FEF 6701
Height 121
FEF 430FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6700FEF 6701
Height 156
FEF 430FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6700FEF 6701
Height 181
FEF 430FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6700FEF 6701
Height 206
FEF 430FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6700FEF 6701
Height 231
FEF 430FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6700FEF 6701
Height 256
FEF 430FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6700FEF 6701
Height 281
FEF 430FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6700FEF 6701
Height 306
FEF 430FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6700FEF 6701
Height 331
FEF 430FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6700FEF 6701
Height 356
FEF 430FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6700FEF 6701
Height 506
FEF 430FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6700FEF 6701
260ISO 31.041Minute wheel
FEF 6630FEF 6631FEF 6632FEF 6700FEF 6701FEF 6710FEF 6711
2nd execution
FEF 430FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6700FEF 6701FEF 6710FEF 6711
307ISO 40.301Regulator with adjustable stud holder, for flat hairspring
FEF 6630FEF 6631FEF 6632FEF 6700FEF 6701FEF 6710FEF 6711
311ISO 70.800Upper cap jewel with end-piece
FEF 6630FEF 6631FEF 6632FEF 6700FEF 6701FEF 6710FEF 6711
330ISO 70.801Lower cap jewel with end-piece
FEF 6630FEF 6631FEF 6632FEF 6700FEF 6701FEF 6710FEF 6711
401ISO 51.010Winding stem
FEF 6630FEF 6631FEF 6632FEF 6664FEF 6665FEF 6700FEF 6701FEF 6710FEF 6711FEF 6764FEF 6765
407ISO 31.121Clutch wheel
FEF 6632FEF 6665FEF 6765
410ISO 31.120Winding pinion
FEF 6630FEF 6631FEF 6632FEF 6664FEF 6665FEF 6700FEF 6701FEF 6710FEF 6711FEF 6764FEF 6765
2nd execution
FEF 270FEF 370FEF 371FEF 371NFEF 372FEF 373FEF 430FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6660FEF 6662FEF 6664FEF 6665FEF 6700FEF 6701FEF 6710FEF 6711FEF 6764FEF 6765
415ISO 31.020Ratchet wheel
FEF 6630FEF 6631FEF 6632FEF 6700FEF 6701FEF 6710FEF 6711
420ISO 31.023Crown wheel
FEF 6630FEF 6631FEF 6632FEF 6700FEF 6701FEF 6710FEF 6711
422ISO 81.067Crown wheel ring
FEF 6630FEF 6631FEF 6632FEF 6700FEF 6701FEF 6710FEF 6711
434ISO 51.120Clicking spring
FEF 6632FEF 6681FEF 6687
435ISO 51.050Yoke
FEF 6630FEF 6631FEF 6632FEF 6700FEF 6701FEF 6710FEF 6711
440ISO 61.100Yoke spring
FEF 430FEF 6600FEF 6620FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6700FEF 6701FEF 6710FEF 6711
443/1ISO 51.080.06Setting lever, assembled
FEF 6630FEF 6631FEF 6632FEF 6664FEF 6665FEF 6700FEF 6701FEF 6710FEF 6711FEF 6764FEF 6765
according to original label
FEF 5765-1FEF 6630FEF 6631FEF 6632FEF 6664FEF 6665FEF 6665-1FEF 6700FEF 6701FEF 6710FEF 6711FEF 6764FEF 6765
445ISO 51.090Setting lever spring
FEF 6630FEF 6631FEF 6632FEF 6700FEF 6701FEF 6710FEF 6711
450ISO 31.100Setting wheel
FEF 6632FEF 6665FEF 6765
705ISO 30.040Escape wheel and pinion
FEF 6632
710ISO 40.010Jewelled pallet fork and stat
FEF 430FEF 6630FEF 6631FEF 6632FEF 6710FEF 6711Peseux 340
1st execution
FEF 430FEF 6600FEF 6630FEF 6631FEF 6632FEF 6710FEF 6711Peseux 340
2nd execution
FEF 430FEF 6620FEF 6630FEF 6631FEF 6632FEF 6710FEF 6711Peseux 340
3rd execution
FEF 430FEF 6621FEF 6630FEF 6631FEF 6632FEF 6650FEF 6710FEF 6711Peseux 340

Source: original interchangeability lists of FEF (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 FEF

❓ Frequently asked questions

Which FEF 6633 spare parts also fit other movements?

For the FEF 6633, 25 part numbers are listed as interchangeable. Together they fit 30 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the FEF 6633?

The most shared parts: FEF 6632 (56 parts), FEF 6630 (48 parts), FEF 6631 (48 parts).

🛠️ For the workshop

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