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Brac 50 Movement Specifications, Beat Rate & Dimensions

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Technical Caliber Datasheet

ManufacturerBrac
Caliber ReferenceBrac 50
Movement TypeManual
Diameter (Lignes)—
Diameter (mm)30.45 mm
Height / Thickness4.8 mm
Jewel Count—
Beat Rate / Frequency18,000 BPH
Lift Angle315°
Power Reserve38 hours
EscapementPin Lever
Production Period1950

Historical & Mechanical Notes

The Brac 50 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:

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