ETA 2781 – interchangeable spare parts
ETA 2781 movement
Which spare parts fit the ETA 2781 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.
🛒 Spare parts for ETA 2781 in our shop
ETA 2750 - 2791 PART 195, Barrel arbor 2774, 2776 2778, 2781 ETA 2783, 2784 278813,99 € incl. VAT *View item ›
Jeweled Pallet Fork ETA 2600 - 2789, 2750, 2763, 2781, 2782, 2783, 2630 – Part 71018,99 € incl. VAT *View item ›
Escape Wheel and Pinion Part 705 for ETA 2750, 2789, 2752, 2758, 2781, 2783, 2788, 276319,95 € incl. VAT *View item ›🔧 Interchangeable parts
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 2781 (height × diameter × thickness × length) and matching mainspring in our shop:
🔗 Movements sharing the most parts
- ETA 2783 (63 parts)
- ETA 2789 (62 parts)
- ETA 2791 (60 parts)
- ETA 2788 (58 parts)
- ETA 2782 (57 parts)
- ETA 2784 (56 parts)
- ETA 2790 (56 parts)
- ETA 2773 (52 parts)
- ETA 2778 (52 parts)
- ETA 2772 (50 parts)
- ETA 2763 (49 parts)
- ETA 2776 (48 parts)
- ETA 2789-1 (47 parts)
- ETA 2768 (47 parts)
- ETA 2774 (47 parts)
- ETA 2770 (46 parts)
❓ Frequently asked questions
Which ETA 2781 spare parts also fit other movements?
For the ETA 2781, 49 part numbers are listed as interchangeable. Together they fit 131 other calibers – the table below shows which part fits which movement.
Which movements share the most parts with the ETA 2781?
The most shared parts: ETA 2783 (63 parts), ETA 2789 (62 parts), ETA 2791 (60 parts).
Which mainspring fits the ETA 2781?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.45 × 11.0 × 0.125 × 400 mm (GR 4006-X, automatic, with welded slipping bridle).
Can I buy spare parts for the ETA 2781?
Yes, Master Watch Parts currently has 3 matching items in stock.
🛠️ For the workshop
Watch Crystal Sternkreuz ATCH, High Domed, Reinforced with Chrome-Plated Ring – NOS11,95 € incl. VAT *View item ›
Clock Key, Star Key for Clocks (3-5-7-9-11) – New8,75 € 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 ›