ETA 9129 – interchangeable spare parts
ETA 9129 movement
Which spare parts fit the ETA 9129 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.
28Parts 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.
🔧 Interchangeable parts
| Part no. | Description | Also fits |
|---|---|---|
| 110ISO 10.048 | Train wheel bridge, jewelled | |
| 121/6ISO 10.058.23 | Balance cock for flat hairspring | |
| 161ISO 80.400 | Centre tube | |
| 227ISO 30.027 | Second wheel | Height 1585 |
| 242ISO 31.083 | Cannon pinion with driving wheel | |
| 255/1ISO 31.046.06 | Hour wheel, assembled | |
| 260ISO 31.041 | Minute wheel | |
| 277ISO 30.084 | Driving pinion for fourth wheel | |
| 303/1ISO 40.302 | ||
| 305ISO 60.150 | ||
| 316ISO 70.800.18 | Upper cap jewel with special end-piece, for balance | |
| 358ISO 40.380 | Regular corrector | |
| 405/3ISO 51.020 | Handsetting stem | |
| 447ISO 61.050 | Stem spring | |
| 450/1ISO 31.100.06 | Setting wheel, assembled | |
| 471/4ISO 60.103 | Friction spring for sweep second wheel | |
| 495/2ISO 81.171 | Gib | |
| 761ISO 91.441 | Hour hand | |
| 2550ISO 13.010 | Calendar plate, mounted | |
| 2556ISO 33.020 | Date indicator driving wheel | |
| 2557ISO 33.120 | Date star | |
| 2566ISO 53.200 | Date corrector | |
| 2572ISO 63.120 | Date corrector spring | |
| 2576ISO 53.080 | Date jumper | |
| 2760ISO 53.180 | ||
| 4000ISO 10.513 | Electronic module | |
| 4360ISO 30.510 | Click wheel, pivoted | |
| 4401ISO 20.761 | Bridle + |
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.