ETA 251.261 – interchangeable spare parts

ETA 251.261 movement

Which spare parts fit the ETA 251.261 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

1Parts with interchange data

2Calibers 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
203ISO 30.012	Intermediate wheel	ETA 251.251 ETA 251.272

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.

🔗 Movements sharing the most parts

→ All calibers of ETA

❓ Frequently asked questions

Which ETA 251.261 spare parts also fit other movements?

For the ETA 251.261, 1 part numbers are listed as interchangeable. Together they fit 2 other calibers – the table below shows which part fits which movement.