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Buser Frères Buser 5 Movement Specifications, Beat Rate & Dimensions

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Technical Caliber Datasheet

ManufacturerBuser Frères
Caliber ReferenceBuser 5
Movement TypeManual
Diameter (Lignes)—
Diameter (mm)12.8 mm
Height / Thickness3.35 mm
Jewel Count17 Jewels
Beat Rate / Frequency18,000 BPH
Lift Angle51°
Power Reserve38 hours
EscapementSwiss Lever
Production Period1950

Historical & Mechanical Notes

The Buser Frères Buser 5 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:

Other Buser Frères Movements

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