ETA 1257 – interchangeable spare parts

ETA 1257 movement

Which spare parts fit the ETA 1257 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

1Parts with interchange data

8Calibers 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 1257 in our shop

Winding Pinion Part 410 for ETA 1080, 1081, 1152, 1257 – NOS11,90 € incl. VAT *View item ›

🔧 Interchangeable parts

Part no.	Description	Also fits
443	Setting lever	according to original label ETA 1080 ETA 1081 ETA 1093 ETA 1152 ETA 1153 ETA 1256 ETA 1258 ETA 1259

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 1257 (height × diameter × thickness × length) and matching mainspring in our shop:

ETA 1256 à 1259 Aut: 1.50 × 9.5 × 0.10 × 300 mm (GR 4122-X)

🔗 Movements sharing the most parts

→ All calibers of ETA

❓ Frequently asked questions

Which ETA 1257 spare parts also fit other movements?

For the ETA 1257, 1 part numbers are listed as interchangeable. Together they fit 8 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the ETA 1257?

The most shared parts: ETA 1080 (1 parts), ETA 1081 (1 parts), ETA 1093 (1 parts).

Which mainspring fits the ETA 1257?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.50 × 9.5 × 0.10 × 300 mm (GR 4122-X, automatic, with welded slipping bridle).