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Buser Frères Buser 146 Movement Specifications, Beat Rate & Dimensions

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Technical Caliber Datasheet

ManufacturerBuser Frères
Caliber ReferenceBuser 146
Movement TypeAutomatic
Diameter (Lignes)—
Diameter (mm)28.0 mm
Height / Thickness6.25 mm
Jewel Count21 Jewels
Beat Rate / Frequency18,000 BPH
Lift Angle51°
Power Reserve38 hours
EscapementSwiss Lever
Production Period1955

Historical & Mechanical Notes

The Buser Frères Buser 146 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. For authentic restored timepieces and bespoke pocket-to-wrist conversions, visit Explore AntiqueWrist.

Other Buser Frères Movements

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