ETA 1120 – interchangeable spare parts

ETA 1120 movement

Which spare parts fit the ETA 1120 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

18Parts with interchange data
29Calibers 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 1120 in our shop

🔧 Interchangeable parts

Part no.DescriptionAlso fits
301ISO 40.301Regulator for flat hairspring
311ISO 70.800Upper cap jewel end-piece
330ISO 70.801Lower cap jewel end-piece
336ISO 70.806Upper cap-jewel with end-piece, for escape wheel
401ISO 51.010Stem
407ISO 31.121Clutch wheel
410ISO 31.120Winding pinion
415ISO 31.020Ratchet wheel
420ISO 31.023Crown wheel
422ISO 81.067Crown wheel ring
425ISO 51.120Click
430ISO 61.080Click spring
435ISO 51.050Yoke
440ISO 61.100Yoke spring
443ISO 51.080Setting lever
443/5443ISO 51.080.06/.01Setting lever
445Setting lever spring
according to original label
453ISO 31.101Intermediate setting wheel

Source: original interchangeability lists of ETA (checked transcription) and checked original spare-part labels · as of 2026-10-18. Height / execution: the part fits only in this height or execution.

🔗 Movements sharing the most parts

→ All calibers of ETA

WordPress Cookie Notice by Real Cookie Banner