ETA 9131 – interchangeable spare parts
ETA 9131 movement
Which spare parts fit the ETA 9131 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.
12Parts 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 |
|---|---|---|
| 121/6ISO 10.058.23 | Balance cock for flat hairspring | |
| 161ISO 80.400 | Centre tube | |
| 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 | |
| 447ISO 61.050 | Stem spring | |
| 450/1ISO 31.100.06 | Setting wheel, assembled | |
| 495/2ISO 81.171 | Gib | |
| 4360ISO 30.510 | Click wheel, pivoted |
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
❓ Frequently asked questions
Which ETA 9131 spare parts also fit other movements?
For the ETA 9131, 12 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 9131?
The most shared parts: ETA 9127 (12 parts), ETA 9126 (11 parts), ETA 9129 (11 parts).
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