Landeron 52 – interchangeable spare parts

Landeron 52 movement

Which spare parts fit the Landeron 52 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

1Parts with interchange data

1Calibers 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.	Description	Also fits
445	Setting lever spring	according to original label Landeron 39

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.

🌀 Matching mainspring

Mainspring dimensions for Landeron 52 (height × diameter × thickness × length) and matching mainspring in our shop:

Landeron 52: 1.45 × 13.5 × 0.15 × 440 mm (GR 4020)

🔗 Movements sharing the most parts

Landeron 39 (1 parts)

→ All calibers of Landeron

❓ Frequently asked questions

Which Landeron 52 spare parts also fit other movements?

For the Landeron 52, 1 part numbers are listed as interchangeable. Together they fit 1 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the Landeron 52?

The most shared parts: Landeron 39 (1 parts).

Which mainspring fits the Landeron 52?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.45 × 13.5 × 0.15 × 440 mm (GR 4020, hand-wound, normal end hook).