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Baumgartner Frères Baumgartner 20 Movement Specifications, Beat Rate & Dimensions

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Technical Caliber Datasheet

ManufacturerBaumgartner Frères
Caliber ReferenceBaumgartner 20
Movement TypeManual
Diameter (Lignes)—
Diameter (mm)30.45 mm
Height / Thickness6.1 mm
Jewel Count9 Jewels
Beat Rate / Frequency18,000 BPH
Lift Angle51°
Power Reserve38 hours
EscapementPin Lever
Production Period1907

Historical & Mechanical Notes

The Baumgartner Frères Baumgartner 20 is a celebrated example of vintage precision engineering. Featuring 9 jewels and operating at 18,000 BPH, surviving examples are prized by collectors and restorers.

Restoration enquiries: antiquewrist.com

Other Baumgartner Frères Movements

Baumgartner 134Baumgartner 158Baumgartner 222Baumgartner 34Baumgartner 410Baumgartner 411Baumgartner 412Baumgartner 413
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