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Alpina 221 Movement Specifications, Beat Rate & Dimensions

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Technical Caliber Datasheet

ManufacturerAlpina
Caliber ReferenceAlpina 221
Movement TypeManual
Diameter (Lignes)—
Diameter (mm)42.7 mm
Height / Thickness5.25 mm
Jewel Count15 Jewels
Beat Rate / Frequency18,000 BPH
Lift Angle51°
Power Reserve38 hours
EscapementSwiss Lever
Production Period1930

Historical & Mechanical Notes

The Alpina 221 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: antiquewrist.com

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