ETA 2550 – interchangeable spare parts
ETA 2550 movement
Which spare parts fit the ETA 2550 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.
40Parts with interchange data
38Calibers 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 2550 in our shop
ETA 2550 PART 415, PART 401, PART 195, PART 435, Watch Spare Parts NOS #BL25509,90 € – 15,90 € incl. VAT *View item
Mainplate for ETA 2550 – Part 100 – NOS24,95 € incl. VAT *View item
Reduction Gear for ETA 2550, Part 1481, also fits ETA 2551, 2580 – NOS15,90 € incl. VAT *View item
Barrel and Cover without Arbor for ETA 2550 and ETA 2551 – Part 18211,90 € incl. VAT *View item
Driving Gear for Ratchet Wheel for ETA 2550, 2551, 2580 – Part 1482 – NOS8,90 € – 9,90 € incl. VAT *View item
Setting Wheel for ETA 2540 – Part 450, also fits ETA 2541, 2550, 2580 – NOS12,90 € incl. VAT *View item
Clutch Wheel for ETA 2510, Part 407 – Also fits ETA 2512, 2540, 2541, 2550, 2551, 257011,90 € incl. VAT *View item🔧 Interchangeable parts
| Part no. | Description | Also fits |
|---|---|---|
| 161ISO 80.400 | Centre tube | |
| 182ISO 20.030 | Barrel and cover | |
| 195ISO 20.060 | Barrel arbor | |
| 203ISO 30.012 | Intermediate wheel | |
| 210ISO 30.025 | Third wheel | |
| 227ISO 30.027 | Sweep second wheel | |
| 227/3ISO 30.027.18 | Second wheel, without sweep second | |
| 242ISO 31.083 | Cannon pinion with driving wheel | |
| 242/1ISO 31.083.18 | Cannon pinion with driver, without sweep second | |
| 255ISO 31.046 | Hour wheel | |
| 260ISO 31.041 | Minute wheel | |
| 307ISO 40.301 | Regulator without pointer, assembled | |
| 307/2ISO 40.302 | Regulator without pointer, assembled | |
| 311ISO 70.800 | Upper cap jewel with end-piece, f. balance | |
| 330ISO 70.801 | Lower cap jewel with end-piece, f. balance | |
| 401ISO 51.010 | Winding stem | |
| 407ISO 31.121 | Clutch wheel | |
| 410ISO 31.120 | Winding pinion | |
| 415ISO 31.020 | Ratchet wheel | |
| 420ISO 31.023 | Crown wheel | |
| 425ISO 51.120 | Click | |
| 430ISO 61.080 | Click spring | |
| 435ISO 51.050 | Yoke | |
| 440ISO 61.100 | Yoke spring | |
| 443ISO 51.080 | Setting lever | |
| 443/5443ISO 51.080.06/.01 | Setting lever | |
| 445ISO 51.090 | Setting lever spring | |
| 450ISO 31.100 | Setting wheel | |
| 460ISO 51.055 | Crown wheel rocker | |
| 462ISO 10.062 | Minute work cock | |
| 705ISO 30.040 | Escape wheel and pinion with straight pivots | |
| 710ISO 40.010 | Jewelled pallet fork and staff | |
| 1143/1ISO 22.010.06 | Oscillating weight, assembled | |
| 1481ISO 32.031 | Reduction gear | |
| 1482ISO 32.033 | Driving gear for ratchet wheel | |
| 1488ISO 32.037 | Pawl winding wheel, compl. (with pin.) | |
| 1498ISO 32.020 | Bearing wheel for oscillating weight | |
| 1525ISO 52.122 | Bolt for reduction gear | |
| 1526ISO 52.125 | Bolt for pawl winding wheel | |
| 1530ISO 32.038 | Additional pawl winding wheel (without pinion) |
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 2551 (58 parts)
- ETA 2550R (57 parts)
- ETA 2551R (56 parts)
- ETA 2540 (40 parts)
- ETA 2541 (39 parts)
- ETA 2580 (38 parts)
- ETA 2570 (29 parts)
- ETA 2510 (2 parts)
- ETA 2512 (2 parts)
- ETA 2365 (1 parts)
- ETA 2369 (1 parts)
- ETA 2512-1 (1 parts)
- ETA 551.111 (1 parts)
- ETA 551.121 (1 parts)
- ETA 551.411 (1 parts)
- ETA 951.101 (1 parts)