Landeron 51 – interchangeable spare parts

Landeron 51 movement

Which spare parts fit the Landeron 51 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

48Parts 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.

🛒 Spare parts for Landeron 51 in our shop

Screws for Chronograph Movements Landeron 48, 51, 148, Venus 170, 188, Valjoux 23 #324,90 € – 34,90 € incl. VAT *View item ›

🔧 Interchangeable parts

Part no.	Description	Also fits
182ISO 20.030	Barrel and cover	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 248 Landeron 254 Landeron 349
195ISO 20.060	Barrel arbor	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 248 Landeron 254 Landeron 349
206ISO 30.015	Center wheel	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 248 Landeron 254 Landeron 349
210ISO 30.025	Third wheel	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 248 Landeron 254 Landeron 349 according to original label Landeron 47 Landeron 48 Landeron 50 Landeron 54 Landeron 55 Landeron 56 Landeron 57 Landeron 58 Landeron 59 Landeron 80 Landeron 81 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 200 Landeron 202 Landeron 248 Landeron 254 Landeron 349
225ISO 30.028	Fourth wheel and pinion, two long pivots	Landeron 48 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 248 Landeron 254 Height 619 Landeron 48 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 248 Landeron 254 Height 619according to original label Landeron 47 Landeron 48 Landeron 50 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 248 Landeron 254 Height 669 Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 187 Landeron 189 Landeron 248 Landeron 254
245ISO 31.080	Cannon pinion with clam notch	Landeron 48 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 248 Landeron 254 Height 280 Landeron 48 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 248 Landeron 254 Height 330 Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 187 Landeron 189 Landeron 248 Landeron 254
255ISO 31.046	Hour wheel	Landeron 48 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 203 Landeron 248 Landeron 254 Height 150 Landeron 48 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 203 Landeron 248 Landeron 254 Height 200 Landeron 48 Landeron 54 Landeron 55 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 203 Landeron 248 Landeron 254
260ISO 31.041	Minute wheel	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 203 Landeron 248 Landeron 254 Landeron 349
301ISO 40.301	Regulator for flat hairspring	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 248 Landeron 254 Landeron 349
311ISO 70.800	Upper cap jewel with end-piece	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 203 Landeron 248 Landeron 254 Landeron 349
330ISO 70.801	Lower cap jewel with end-piece	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 203 Landeron 248 Landeron 254 Landeron 349 Landeron 520 Landeron 523 Landeron 523N Landeron 540 Landeron 543 Landeron 543N Landeron 560
336ISO 70.806	Upper cap-jewel with end-piece, for escape wheel	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 203 Landeron 248 Landeron 254 Landeron 349 Landeron 520 Landeron 523 Landeron 523N Landeron 540 Landeron 543 Landeron 543N Landeron 560
346ISO 70.807	Lower cap jewel with end-piece, f. esc. wheel	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 203 Landeron 248 Landeron 254 Landeron 349 Landeron 520 Landeron 523 Landeron 523N Landeron 540 Landeron 543 Landeron 543N Landeron 560
401ISO 51.010	Winding stem	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 203 Landeron 248 Landeron 254 Landeron 349 Landeron 520 Landeron 523 Landeron 540 Landeron 543
407ISO 31.121	Clutch wheel	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 203 Landeron 248 Landeron 254 Landeron 349 Landeron 520 Landeron 523 Landeron 523N Landeron 540 Landeron 543 Landeron 543N Landeron 560
410ISO 31.120	Winding pinion	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 248 Landeron 254 Landeron 349
415ISO 31.020	Ratchet wheel	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 248 Landeron 254 Landeron 349
420ISO 31.023	Crown wheel	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 248 Landeron 254 Landeron 349
423ISO 81.136	Crown wheel core	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 248 Landeron 254 Landeron 349
425ISO 51.120	Click	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 248 Landeron 254 Landeron 349
430ISO 61.080	Click spring	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 248 Landeron 254 Landeron 349
435ISO 51.050	Yoke	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 248 Landeron 254 Landeron 349
440ISO 61.100	Yoke spring	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 248 Landeron 254 Landeron 349
443ISO 51.080	Setting lever	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 248 Landeron 254 Landeron 349 1st execution Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 248 Landeron 254 Landeron 349 Landeron 520
450ISO 31.100	Setting wheel	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 248 Landeron 254 Landeron 349
702ISO 30.040.12	Escape wheel and pinion, pivoted, for two end-pieces	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 203 Landeron 248 Landeron 254 Landeron 349
705ISO 30.040	Escape wheel and pinion	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 131 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 203 Landeron 248 Landeron 254 Landeron 349
710ISO 40.010	Jewelled pallet fork and stat	Landeron 48 Landeron 54 Landeron 55 Landeron 82 Landeron 85 Landeron 86 Landeron 148 Landeron 149 Landeron 151 Landeron 152 Landeron 153 Landeron 154 Landeron 155 Landeron 180 Landeron 181 Landeron 185 Landeron 186 Landeron 187 Landeron 189 Landeron 203 Landeron 248 Landeron 254 Landeron 349
8000ISO 35.010	Chronograph runner, mounted	Landeron 55 Landeron 151 Landeron 152 Landeron 153 Landeron 155 Height 805 Landeron 55 Landeron 151 Landeron 152 Landeron 153 Landeron 155
8020ISO 35.012	Minute recording runner (30 min.)	Landeron 152 Height 675 Landeron 152 Height 720 Landeron 55 Landeron 152
8040ISO 35.012.21	Minute recording runner (45 min.)	Landeron 152 Height 675 Landeron 152 Height 720 Landeron 55 Landeron 152
8060ISO 35.060	Driving wheel	Landeron 55 Landeron 82 Landeron 151 Landeron 152 Landeron 153 Landeron 155 Landeron 180 Landeron 181
8080ISO 55.220	Coupling clutch, mounted	Landeron 55 Landeron 82 Landeron 151 Landeron 152 Landeron 153 Landeron 155 Landeron 180 Landeron 181
8100ISO 55.120	Sliding gear, mounted (30 min.)	Landeron 55 Landeron 82 Landeron 151 Landeron 152 Landeron 153 Landeron 155 Landeron 180 Landeron 181
8120ISO 55.120.21	Sliding gear, mounted (45 min.)	Landeron 55 Landeron 82 Landeron 151 Landeron 152 Landeron 153 Landeron 155 Landeron 180 Landeron 181
8139ISO 55.041	Operating lever	Landeron 55 Landeron 82 Landeron 152
8180ISO 55.081	Fly-back lever	2nd execution Landeron 55 Landeron 82 Landeron 152
8219	Hammer	Landeron 55 Landeron 82
8220ISO 55.241	Hammer, mounted	Landeron 55 Landeron 82 Landeron 151 Landeron 155 Landeron 180 Landeron 181
8221ISO 85.374		Landeron 55 Landeron 82 Landeron 151 Landeron 152 Landeron 153 Landeron 155 Landeron 180 Landeron 181
8270ISO 55.143	Minute-recording jumper	2nd execution Landeron 55 Landeron 82 Landeron 151 Landeron 152 Landeron 153 Landeron 155 Landeron 180 Landeron 181
8290ISO 65.440	Friction spring	Landeron 55 Landeron 82 Landeron 151 Landeron 152 Landeron 153 Landeron 155 Landeron 180 Landeron 181
8320ISO 65.160	Coupling clutch spring	Landeron 55 Landeron 82 Landeron 151 Landeron 152 Landeron 153 Landeron 155 Landeron 180 Landeron 181
8325ISO 65.100	Sliding gear spring	2nd execution Landeron 55 Landeron 82 Landeron 151 Landeron 152 Landeron 153 Landeron 155 Landeron 180 Landeron 181
8340ISO 65.072	Fly-back lever spring	Landeron 55 Landeron 82 Landeron 152
8350ISO 65.171	Hammer spring	Landeron 55 Landeron 82 Landeron 151 Landeron 152 Landeron 153 Landeron 155 Landeron 180 Landeron 181
8356ISO 55.137		Landeron 55 Landeron 82 Landeron 151 Landeron 152 Landeron 153 Landeron 155 Landeron 180 Landeron 181
8500ISO 15.040		Landeron 55 Landeron 82 Landeron 151 Landeron 152 Landeron 153 Landeron 155 Landeron 180 Landeron 181

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

📄 Technical document

View the original document for Landeron 51 online:

Landeron 51-152 – Ø 31.00 mm

🔗 Movements sharing the most parts

→ All calibers of Landeron

❓ Frequently asked questions

Which Landeron 51 spare parts also fit other movements?

For the Landeron 51, 48 part numbers are listed as interchangeable. Together they fit 41 other calibers – the table below shows which part fits which movement.