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AS 283 Movement Specifications, Beat Rate & Dimensions

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Technical Caliber Datasheet

ManufacturerAS
Caliber ReferenceAS 283
Movement TypeManual
Diameter (Lignes)—
Diameter (mm)40.55 mm
Height / Thickness5.5 mm
Jewel Count15 Jewels
Beat Rate / Frequency18,000 BPH
Lift Angle51°
Power Reserve38 hours
EscapementSwiss Lever
Production Period1939

Historical & Mechanical Notes

The AS 283 is a celebrated example of vintage precision engineering. Featuring 15 jewels and operating at 18,000 BPH, surviving examples are prized by collectors and restorers.

Restoration enquiries:

Other AS Movements

AS 202AS 220AS 229AS 231AS 278AS 284AS 302AS 303
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