Universal 281 Family

Last Update: July 1, 2019

BRANDS: Universal

Production: –
1910s	1920s	1930s	1940s	1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s

Unlike most movement manufacturers, Universal uses the same calibre number for movements with different complications. Instead, the calibre number corresponds to the diameter and hairspring used.

	Breguet Hairspring	Flat Hairspring
12”’	Universal 281 Uni-Compax Universal 281 Compax Universal 281 Tri-Compax	Universal 381
12.25”’	Universal 282
13”’	Universal 283	Universal 383
13.5”’	Universal 284
14”’	Universal 285	Universal 385
15”’	Universal 287	Universal 387
15.25”’	Universal 288
15.75”’	Universal 292

Calibre	Start Year	End Year	Diameter (mm)	Diameter (ligne)	Height (mm)	Complications
Universal 281 Compax			27.80	12	7.15	2-Button, 8-Column Chronograph, Chronograph, Column Wheel Chronograph
Universal 281 Tri-Compax			27.80	12	7.15	2-Button, 8-Column Chronograph, Chronograph, Column Wheel Chronograph, Date, Day, Month, Moon Phase, Quick Date Correction, Quick Month Correction
Universal 281 Uni-Compax	1932	1970	27.80	12.25	5.50	2-Button, 8-Column Chronograph, Chronograph, Column Wheel Chronograph

Universal 281 Compax

Universal 281 Tri-Compax

Universal 281 Uni-Compax