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Unitas 201N – interchangeable spare parts
Unitas (UT) 201N movement
Which spare parts fit the Unitas 201N movement? For every part you can see which other calibers use the same part according to the original interchangeability list.
31Parts with interchange data
64Calibers sharing parts
Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of Unitas (UT) 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.
🔧 Interchangeable parts
| Part no. | Description | Also fits |
|---|---|---|
| 182ISO 20.030 | Barrel and cover | |
| 195ISO 20.060 | Barrel arbor | |
| 201ISO 30.015 | Center wheel | |
| 210ISO 30.025 | Third wheel | |
| 224ISO 30.027.13 | Fourth wheel | |
| 240ISO 31.080 | Cannon-pinion | Height 228 Height 248 Height 298 Height 324 |
| 250ISO 31.046 | Hour wheel | Height 110 Height 130 Height 180 Height 205 |
| 260ISO 31.041 | Minute wheel | |
| 301ISO 40.301 | Regulator for flat hairspring | |
| 311ISO 70.800 | Upper cap jewel with end-piece | |
| 330ISO 70.801 | Lower cap jewel with end-piece | 1st execution |
| 336ISO 70.806 | Upper cap-jewel with end-piece, for escape wheel | |
| 346ISO 70.807 | Lower cap jewel with end-piece, f. esc. wheel | |
| 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 | |
| 422ISO 81.067 | Crown wheel ring | |
| 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 | 1st execution 2nd execution |
| 450ISO 31.100 | Setting wheel | |
| 702ISO 30.040.12 | Escape wheel and pinion, pivoted, for two end-pieces | |
| 704ISO 30.040.10 | Escape wheel and pinion, for upper end-piece | |
| 705ISO 30.040 | Escape wheel and pinion | |
| 710ISO 40.010 | Jewelled pallet fork and stat |
Source: original interchangeability lists of Unitas (UT) (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
- Unitas 200N (44 parts)
- Unitas 200 (38 parts)
- Unitas 201 (38 parts)
- Unitas 630 (12 parts)
- Unitas 580 (6 parts)
- Unitas 190 (5 parts)
- Unitas 6360 (4 parts)
- Unitas 6365 (4 parts)
- Unitas 510 (4 parts)
- Unitas 560 (3 parts)
- Unitas 570 (3 parts)
- Unitas 600 (3 parts)
- Unitas 620 (3 parts)
- Unitas 640 (3 parts)
- Unitas 650 (3 parts)
- Unitas 6320 (3 parts)
❓ Frequently asked questions
Which Unitas 201N spare parts also fit other movements?
For the Unitas 201N, 31 part numbers are listed as interchangeable. Together they fit 64 other calibers – the table below shows which part fits which movement.
Which movements share the most parts with the Unitas 201N?
The most shared parts: Unitas 200N (44 parts), Unitas 200 (38 parts), Unitas 201 (38 parts).
🛠️ For the workshop
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