ETA 2766 – interchangeable spare parts
ETA 2766 movement
Which spare parts fit the ETA 2766 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.
🔧 Interchangeable parts
| Part no. | Description | Also fits |
|---|---|---|
| 227 | Second wheel | |
| 415 | Ratchet wheel | |
| 420 | Crown wheel | |
| 435 | Yoke | according to original label |
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.
🌀 Matching mainspring
Mainspring dimensions for ETA 2766 (height × diameter × thickness × length) and matching mainspring in our shop:
🔗 Movements sharing the most parts
❓ Frequently asked questions
Which ETA 2766 spare parts also fit other movements?
For the ETA 2766, 4 part numbers are listed as interchangeable. Together they fit 48 other calibers – the table below shows which part fits which movement.
Which movements share the most parts with the ETA 2766?
The most shared parts: ETA 2762 (4 parts), ETA 2763 (4 parts), ETA 2764 (3 parts).
Which mainspring fits the ETA 2766?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.45 × 11.0 × 0.13 × 360 mm (GR 4010-1, hand-wound, special version (1)).
🛠️ 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 ›