ETA 900.231 – interchangeable spare parts
ETA 900.231 movement
Which spare parts fit the ETA 900.231 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.
🛒 Spare parts for ETA 900.231 in our shop
Setting Wheel PART 450 for ESA / ETA 9220, 9222, 9225, 900.23110,90 € incl. VAT *View item ›
Positive Battery Contact Bridle (Side) Part 4401, Ref. 20.761, for ETA 900.231 / 900.911 – NOS15,95 € incl. VAT *View item ›
Rotor for ESA/ETA 900.231 and ETA 900.911 – Part 4211, Ref. 20.580 – NOS15,95 € incl. VAT *View item ›
Dial Fastener for ESA/ETA 900.231, ETA 900.911, 923.031 – Part 144 – NOS13,90 € incl. VAT *View item ›🔧 Interchangeable parts
| Part no. | Description | Also fits |
|---|---|---|
| 102ISO 10.030 | ||
| 110ISO 10.048 | Train wheel bridge, jewelled | |
| 119ISO 10.049 | Lower train wheel bridge jewelled | |
| 144ISO 10.300 | Dial fastener | |
| 163ISO 81.337 | Cannon pinion stud | |
| 203ISO 30.012 | Intermediate wheel | |
| 210ISO 30.025 | Third wheel | |
| 228ISO 30.013 | Transmission wheel for intermediate wheel | |
| 240ISO 31.080 | Driver cannon pinion | Height 195 |
| 255/1ISO 31.046.06 | Hour wheel, assembled | Height 116 |
| 260ISO 31.041 | Minute wheel | |
| 405/3ISO 51.020 | Handsetting stem | |
| 407 | Sliding pinion | according to original label |
| 407/1ISO 31.121.06 | Sliding pinion | |
| 437ISO 51.052 | Rocking bar | |
| 443/1ISO 51.080.06 | Setting lever, assembled | |
| 450/1ISO 31.100.06 | Setting wheel, assembled | |
| 451ISO 31.102 | Minute setting wheel | |
| 453ISO 31.101 | Intermediate setting wheel | |
| 453/1ISO 31.101.18 | Intermediate setting wheel, with special toothing | |
| 453/2ISO 31.101.19 | Intermediate setting wheel | |
| 462/1ISO 10.062.06 | Minute train bridge | |
| 4038ISO 20.584 | Electronic module cover | |
| 4060ISO 20.590 | Coil | |
| 4200ISO 10.510 | ||
| 4211ISO 20.580 | Rotor | |
| 4265ISO 40.660 | ||
| 4401ISO 20.761 | Bridle + | |
| 4401/2ISO 20.762 | Special bridle + | |
| 4402ISO 20.763 | Bridle | |
| 4405ISO 20.765 | Contact strip bridle | |
| 4820ISO 56.520 | Connector | |
| 4820/1ISO 56.520.18 | Connector for printed circuit | |
| 4929/1ISO 20.570.18 | Battery | |
| 9447ISO 10.014 | Display module LCD |
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
- ETA 900.911 (36 parts)
- ETA 9220 (4 parts)
- ETA 9222 (4 parts)
- ETA 9225 (4 parts)
- ETA 923.031 (1 parts)
- ETA 924.001 (1 parts)
- ETA 926.301 (1 parts)
- ETA 926.311 (1 parts)
- ETA 927.001 (1 parts)
- ETA 927.002 (1 parts)
- ETA 927.101 (1 parts)
- ETA 927.102 (1 parts)
- ETA 927.401 (1 parts)
- ETA 927.402 (1 parts)
- ETA 927.601 (1 parts)
- ETA 927.602 (1 parts)
❓ Frequently asked questions
Which ETA 900.231 spare parts also fit other movements?
For the ETA 900.231, 35 part numbers are listed as interchangeable. Together they fit 34 other calibers – the table below shows which part fits which movement.
Which movements share the most parts with the ETA 900.231?
The most shared parts: ETA 900.911 (36 parts), ETA 9220 (4 parts), ETA 9222 (4 parts).
Can I buy spare parts for the ETA 900.231?
Yes, Master Watch Parts currently has 4 matching items in stock.
🛠️ For the workshop
Watch Crystal Sternkreuz ATCR, Domed, Reinforced with Chrome Ring – NOS10,90 € incl. VAT *View item ›
Watch Key Clock Winding Key – Size 0 2.25mm5,99 € – 7,95 € incl. VAT *View item ›
Watch Gasket Hytrel I-Ring Seal for Flat Round Mineral Crystals 16-40 mm, H: 0.6, 0.8, 0.85, 1.25, 1.7 mm5,95 € – 9,95 € incl. VAT *View item ›