ETA 2493 – interchangeable spare parts

ETA 2493 movement

Which spare parts fit the ETA 2493 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

1Parts with interchange data

3Calibers sharing parts

Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of ETA 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 jumper	according to original label ETA 2490 ETA 2491 ETA 2492

Source: original interchangeability lists of ETA (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 ETA 2493 (height × diameter × thickness × length) and matching mainspring in our shop:

ETA 2491 à 2497: 1.35 × 8.0 × 0.095 × 280 mm (GR 3503)

🔗 Movements sharing the most parts

→ All calibers of ETA

❓ Frequently asked questions

Which ETA 2493 spare parts also fit other movements?

For the ETA 2493, 1 part numbers are listed as interchangeable. Together they fit 3 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the ETA 2493?

The most shared parts: ETA 2490 (1 parts), ETA 2491 (1 parts), ETA 2492 (1 parts).

Which mainspring fits the ETA 2493?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.35 × 8.0 × 0.095 × 280 mm (GR 3503, hand-wound, normal end hook).