ETA 1101 – interchangeable spare parts

ETA 1101 movement

Which spare parts fit the ETA 1101 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

3Parts with interchange data

9Calibers 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 1101 in our shop

Escape Wheel and Pinion for ETA 1100, 1101, 1114, Two End-Pieces – Part 702 C14,90 € – 16,90 € incl. VAT *View item ›

🔧 Interchangeable parts

Part no.	Description	Also fits
401	Winding stem	Height 90according to original label ETA 1100 ETA 1114 ETA 1120 ETA 1121 ETA 1162 ETA 1164 ETA 1168 ETA 1292 ETA 1293
410	Winding pinion	according to original label ETA 1100 ETA 1120 ETA 1121 ETA 1168 ETA 1292 ETA 1293
702C	Escape wheel and pinion, pivoted, for two end-pieces	according to original label ETA 1100 ETA 1114

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 1101 (height × diameter × thickness × length) and matching mainspring in our shop:

ETA 1100 à 1110: 1.50 × 10.5 × 0.13 × 320 mm (GR 4196)

🔗 Movements sharing the most parts

→ All calibers of ETA

❓ Frequently asked questions

Which ETA 1101 spare parts also fit other movements?

For the ETA 1101, 3 part numbers are listed as interchangeable. Together they fit 9 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the ETA 1101?

The most shared parts: ETA 1100 (3 parts), ETA 1114 (2 parts), ETA 1120 (2 parts).

Which mainspring fits the ETA 1101?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.50 × 10.5 × 0.13 × 320 mm (GR 4196, hand-wound, normal end hook).