ETA 947.121 – interchangeable spare parts
ETA 947.121 movement
Which spare parts fit the ETA 947.121 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.
38Parts with interchange data
52Calibers 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 947.121 in our shop
Setting Lever Spring for ESA / ETA 947.111, 947.121 – Part 445/2 – NOS10,90 € incl. VAT *View item
Setting Lever, mounted, for ETA 947.111, 947.121, 947.131 – Part 443/1 – NOS10,90 € incl. VAT *View item
Spring Yoke for ETA 947.111, 947.121, 947.131 – Part 435/1, Ref. 51.0509,90 € incl. VAT *View item🔧 Interchangeable parts
| Part no. | Description | Also fits |
|---|---|---|
| 110ISO 10.048 | Train wheel bridge, jewelled | |
| 144ISO 10.300 | Dial fastener | |
| 161ISO 80.400 | Centre tube | |
| 203ISO 30.012 | Intermediate wheel | |
| 210ISO 30.025 | Third wheel | |
| 227ISO 30.027 | Second wheel | Height 540 |
| 242ISO 31.083 | Cannon pinion with driving wheel | Height 260 |
| 255/1ISO 31.046.06 | Hour wheel, assembled | Height 174 |
| 260ISO 31.041 | Minute wheel | |
| 405 | Handsetting stem | according to original label |
| 405/3ISO 51.020 | Handsetting stem | |
| 407/1ISO 31.121.06 | Sliding pinion | |
| 435 | Yoke | according to original label |
| 435/3ISO 51.050.06 | Yoke | |
| 443/1ISO 51.080.06 | Setting lever, assembled | according to original label |
| 445/2ISO 51.091 | Combined setting lever jumper | |
| 450/1ISO 31.100.06 | Setting wheel, assembled | |
| 453ISO 31.101 | Intermediate setting wheel | |
| 462/1ISO 10.062.06 | Minute train bridge | |
| 466ISO 10.210 | Setting mechanism cover | |
| 469ISO 51.201 | Hour wheel maintaining small plate | |
| 560ISO 56.071 | Stop lever and switch | |
| 2539ISO 53.022 | Date corrector operating lever | |
| 2543ISO 33.011 | Intermediate date wheel | |
| 2555ISO 33.028 | Calendar driving wheel | |
| 2561/1ISO 91.441 | Day indicator | |
| 2566ISO 53.200 | Date corrector | |
| 2576ISO 53.080 | Date jumper | |
| 2577ISO 53.081 | Day jumper | |
| 2595/1ISO 13.111.06 | Date jumper maintaining plate | |
| 2780ISO 83.171 | Day indicator spring-clip | |
| 4000ISO 10.513 | Electronic module | |
| 4021ISO 20.582 | Stator | |
| 4060ISO 20.590 | Coil | |
| 4211ISO 20.580 | Rotor | |
| 4401ISO 20.761 | Bridle + | |
| 4402ISO 20.763 | Bridle | |
| 4929/1ISO 20.570.18 | Battery |
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
- ETA 947.111 (28 parts)
- ETA 944.121 (26 parts)
- ETA 944.131 (25 parts)
- ETA 944.011 (12 parts)
- ETA 944.111 (12 parts)
- ETA 944.101 (10 parts)
- ETA 554.111 (3 parts)
- ETA 940.111 (3 parts)
- ETA 954.111 (3 parts)
- ETA 954.112 (3 parts)
- ETA 554.121 (3 parts)
- ETA 954.121 (3 parts)
- ETA 2892 (2 parts)
- ETA 2892-2 (2 parts)
- ETA 940.101 (2 parts)
- ETA 954.031 (2 parts)