AV 423 – interchangeable spare parts
Aurore (AV) 423 movement
Which spare parts fit the AV 423 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.
32Parts with interchange data
17Calibers sharing parts
Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of Aurore (AV) 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 | |
| 250ISO 31.046 | Hour wheel | |
| 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 | |
| 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 | |
| 450ISO 31.100 | Setting wheel | |
| 702ISO 30.040.12 | Escape wheel and pinion, pivoted, for two end-pieces | |
| 703ISO 30.040.11 | Escape wheel and pinion, for lower end-piece | |
| 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 Aurore (AV) (checked transcription) and checked original spare-part labels · as of 2026-10-21. Height / execution: the part fits only in this height or execution.
🔗 Movements sharing the most parts
❓ Frequently asked questions
Which AV 423 spare parts also fit other movements?
For the AV 423, 32 part numbers are listed as interchangeable. Together they fit 17 other calibers – the table below shows which part fits which movement.
Which movements share the most parts with the AV 423?
The most shared parts: AV 425 (44 parts), AV 426 (44 parts), AV 4200 (44 parts).
🛠️ For the workshop
Luminous Compound DIY Set for Watch Hands and Dials – Non-Radioactive – New12,90 € – 29,90 € incl. VAT *View item ›
Domed Sapphire Watch Crystal, 1.0 mm, Ø 16-40 mm – Replacement, New31,90 € – 44,90 € incl. VAT *View item ›
High-Domed Watch Crystal Sternkreuz HW, Flume, for Wrist and Pocket Watches, 12-40 mm5,95 € – 10,90 € incl. VAT *View item ›