ETA 2345 – interchangeable spare parts

ETA 2345 movement

Which spare parts fit the ETA 2345 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

4Parts 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 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.

🛒 Spare parts for ETA 2345 in our shop

Main Plate for ETA 2345 – Part 100 – NOS24,95 € incl. VAT *View item ›

Winding Pinion ETA 2340 Part 410, also for ETA 2345, 2350, 2355 – NOS11,90 € incl. VAT *View item ›

🔧 Interchangeable parts

Part no.	Description	Also fits
407	Sliding pinion	according to original label ETA 1240 ETA 2340 ETA 2350 ETA 2355
410	Winding pinion	according to original label ETA 2340 ETA 2350 ETA 2355
443	Setting lever	according to original label ETA 2340 ETA 2350 ETA 2355
445	Setting lever jumper	according to original label ETA 2340 ETA 2350 ETA 2355

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 2345 (height × diameter × thickness × length) and matching mainspring in our shop:

ETA 2334 à 2353: 1.60 × 7.5 × 0.085 × 260 mm (GR 4455) · 🛒 1

🔗 Movements sharing the most parts

→ All calibers of ETA

❓ Frequently asked questions

Which ETA 2345 spare parts also fit other movements?

For the ETA 2345, 4 part numbers are listed as interchangeable. Together they fit 4 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the ETA 2345?

The most shared parts: ETA 2340 (4 parts), ETA 2350 (4 parts), ETA 2355 (4 parts).

Which mainspring fits the ETA 2345?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.60 × 7.5 × 0.085 × 260 mm (GR 4455, hand-wound, normal end hook).