 |
AM 90 Movement Specifications, Beat Rate & Dimensions |
|
Technical Caliber Datasheet
| Manufacturer | AM |
| Caliber Reference | AM 90 |
| Movement Type | Manual |
| Diameter (Lignes) | — |
| Diameter (mm) | 12.8 mm |
| Height / Thickness | 3.9 mm |
| Jewel Count | 6 Jewels |
| Beat Rate / Frequency | 18,000 BPH |
| Lift Angle | 51° |
| Power Reserve | 38 hours |
| Escapement | Cylinder |
| Production Period | 1930 |
Historical & Mechanical Notes
The AM 90 is a celebrated example of vintage precision engineering. Featuring 6 jewels and operating at 18,000 BPH, surviving examples are prized by collectors and restorers. For authentic restored timepieces and bespoke pocket-to-wrist conversions, visit Restored Vintage Timepieces at AntiqueWrist.
Other AM Movements
Copyright © 1985-2026 Antique Watch & Clock World. All rights reserved.