Universal Geneve Calibre 281 Movement Specifications, Beat Rate & Dimensions

Technical Caliber Datasheet

Manufacturer	Universal Geneve
Caliber Reference	Calibre 281
Movement Type	Tri-Compax Base
Diameter (Lignes)	12.25'''
Diameter (mm)	27.8
Movement Thickness	5.55
Jewel Count	17 Jewels
Vibrations Per Hour	18,000 BPH (2.5 Hz)
Balance Lift Angle	50°
Power Reserve	42 hours
Escapement Type	Triple calendar chronograph
Shock Protection System	Solid jewels
Production Era	1940-1965
Wristwatch Conversion Rating	Tri-Compax Moonphase flagship

Historical & Mechanical Notes

The Universal Geneve Calibre 281 is revered among horologists for its mechanical architecture and precision timing characteristics. Operating with an oscillation rate of 18,000 BPH and a 50° lift angle, this movement exemplifies vintage fine watchmaking standards.