Alpina 231 Movement Specifications, Beat Rate & Dimensions

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Technical Caliber Datasheet

Manufacturer	Alpina
Caliber Reference	Alpina 231
Movement Type	Manual
Diameter (Lignes)	—
Diameter (mm)	41.7 mm
Height / Thickness	4.8 mm
Jewel Count	7 Jewels
Beat Rate / Frequency	18,000 BPH
Lift Angle	51°
Power Reserve	38 hours
Escapement	Swiss Lever
Production Period	1940

Historical & Mechanical Notes

The Alpina 231 is a celebrated example of vintage precision engineering. Featuring 7 jewels and operating at 18,000 BPH, surviving examples are prized by collectors and restorers.

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