Landeron 254 – interchangeable spare parts

Landeron 254 movement

Which spare parts fit the Landeron 254 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

47Parts with interchange data
41Calibers sharing parts
Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of Landeron 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
195ISO 20.060Barrel arbor
206ISO 30.015Center wheel
210ISO 30.025Third wheel
225ISO 30.028Fourth wheel and pinion, two long pivots
245ISO 31.080Cannon pinion with clam notch
255ISO 31.046Hour wheel
260ISO 31.041Minute wheel
301ISO 40.301Regulator for flat hairspring
311ISO 70.800Upper cap jewel with end-piece
330ISO 70.801Lower cap jewel with end-piece
336ISO 70.806Upper cap-jewel with end-piece, for escape wheel
346ISO 70.807Lower cap jewel with end-piece, f. esc. wheel
401ISO 51.010Winding stem
407ISO 31.121Clutch wheel
410ISO 31.120Winding pinion
415ISO 31.020Ratchet wheel
420ISO 31.023Crown wheel
423ISO 81.136Crown wheel core
425ISO 51.120Click
430ISO 61.080Click spring
435ISO 51.050Yoke
440ISO 61.100Yoke spring
443ISO 51.080Setting lever
450ISO 31.100Setting wheel
702ISO 30.040.12Escape wheel and pinion, pivoted, for two end-pieces
705ISO 30.040Escape wheel and pinion
710ISO 40.010Jewelled pallet fork and stat
8000ISO 35.010Chronograph runner, mounted
8020ISO 35.012Minute recording runner (30 min.)
8040ISO 35.012.21Minute recording runner (45 min.)
8060ISO 35.060Driving wheel
8080ISO 55.220Coupling clutch, mounted
8100ISO 55.120Sliding gear, mounted (30 min.)
8120ISO 55.120.21Sliding gear, mounted (45 min.)
8139ISO 55.041Operating lever
8139/45ISO 55.041.21Operating lever
8180ISO 55.081Fly-back lever
8220ISO 55.241Hammer, mounted
8221ISO 85.374
8270ISO 55.143Minute-recording jumper
8290ISO 65.440Friction spring
8320ISO 65.160Coupling clutch spring
8325ISO 65.100Sliding gear spring
8340ISO 65.072Fly-back lever spring
8356ISO 55.137
8500ISO 15.040

Source: original interchangeability lists of Landeron (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 Landeron 254 (height × diameter × thickness × length) and matching mainspring in our shop:

🔗 Movements sharing the most parts

→ All calibers of Landeron

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