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AHS 40 Movement Specifications, Beat Rate & Dimensions

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Technical Caliber Datasheet

ManufacturerAHS
Caliber ReferenceAHS 40
Movement TypeManual
Diameter (Lignes)—
Diameter (mm)24.35 mm
Height / Thickness4.3 mm
Jewel Count—
Beat Rate / Frequency18,000 BPH
Lift Angle51°
Power Reserve38 hours
EscapementPin Lever
Production Period1965

Historical & Mechanical Notes

The AHS 40 is a celebrated example of vintage precision engineering. Featuring 17 jewels and operating at 18,000 BPH, surviving examples are prized by collectors and restorers.

Restoration enquiries: antiquewrist.com

Other AHS Movements

AHS 152AHS 152 (SC)AHS 153AHS 154AHS 156AHS 41AHS 42AHS 43
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