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AHO 1166A Movement Specifications, Beat Rate & Dimensions

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Technical Caliber Datasheet

ManufacturerAHO
Caliber ReferenceAHO 1166A
Movement TypeManual
Diameter (Lignes)—
Diameter (mm)26.0 mm
Height / Thickness4.4 mm
Jewel Count21 Jewels
Beat Rate / Frequency18,000 BPH
Lift Angle51°
Power Reserve38 hours
EscapementSwiss Lever
Production Period1960

Historical & Mechanical Notes

The AHO 1166A is a celebrated example of vintage precision engineering. Featuring 21 jewels and operating at 18,000 BPH, surviving examples are prized by collectors and restorers.

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