FEF 170-1 – interchangeable spare parts

FEF 170-1 movement

Which spare parts fit the FEF 170-1 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

1Parts with interchange data

4Calibers 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.	Description	Also fits
445	Setting lever spring	according to original label FEF 86 FEF 130 FEF 133 FEF 170

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 170-1 spare parts also fit other movements?

For the FEF 170-1, 1 part numbers are listed as interchangeable. Together they fit 4 other calibers – the table below shows which part fits which movement.