ETA 870.101 – interchangeable spare parts
ETA 870.101 movement
Which spare parts fit the ETA 870.101 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.
🛒 Spare parts for ETA 870.101 in our shop
🔧 Interchangeable parts
| Part no. | Description | Also fits |
|---|---|---|
| 100ISO 10.020 | Main plate, jewelled | |
| 100/1ISO 10.020.06 | Main plate, jewelled, assembled | |
| 110ISO 10.048 | Train wheel bridge, jewelled | |
| 132/1ISO 81.010 | Lower bridge for oscillating weight | |
| 136ISO 10.060 | Stem cock | |
| 144ISO 10.300 | Dial fastener | |
| 161ISO 80.400 | Centre tube | |
| 203ISO 30.012 | Intermediate wheel | |
| 215ISO 30.029 | Intermediate second wheel | |
| 216ISO 30.085 | ||
| 227ISO 30.027 | Second wheel | Height 634 |
| 243ISO 31.081 | Free cannon pinion | Height 205 |
| 255 | Hour wheel | |
| 255/1ISO 31.046.06 | Hour wheel, assembled | Height 135 |
| 290ISO 31.060 | ||
| 405/3ISO 51.020 | Handsetting stem | |
| 407/1ISO 31.121.06 | Sliding pinion | |
| 435/3ISO 51.050.06 | Yoke | |
| 443/1ISO 51.080.06 | Setting lever, assembled | |
| 450/1ISO 31.100.06 | Setting wheel, assembled | |
| 466ISO 10.210 | Setting mechanism cover | |
| 2535ISO 13.105 | Date indicator guard | |
| 4000ISO 10.513 | Electronic module | |
| 4021ISO 20.582 | Stator | |
| 4022ISO 80.102 | Distance piece | |
| 4035ISO 20.760 | ||
| 4045ISO 20.653 | Insulator for power connection | |
| 4046ISO 20.651 | Battery insulator | |
| 4211ISO 20.580 | Rotor | |
| 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 2026-10-28. Height / execution: the part fits only in this height or execution.
🔗 Movements sharing the most parts
❓ Frequently asked questions
Which ETA 870.101 spare parts also fit other movements?
For the ETA 870.101, 31 part numbers are listed as interchangeable. Together they fit 11 other calibers – the table below shows which part fits which movement.
Which movements share the most parts with the ETA 870.101?
The most shared parts: ETA 870.111 (34 parts), ETA 536.111 (1 parts), ETA 536.121 (1 parts).
Can I buy spare parts for the ETA 870.101?
Yes, Master Watch Parts currently has 1 matching items in stock.
🛠️ For the workshop
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 ›
Red Teflon Hard Gasket For Watch Caseback Multi Size Listing Ø 16-42. Suitable for many brand watches such as Omega, Tissot, Junghans5,95 € – 7,95 € incl. VAT *View item ›
Original Super Luminova Thinner A61 for Lume Watch Hands, 1 g13,90 € incl. VAT *View item ›