Grail Watch Reference

A Reference Library for Watches from Grail Watch

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Universal 281 Family

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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 HairspringFlat Hairspring
12”’Universal 281 Uni-Compax
Universal 281 Compax
Universal 281 Tri-Compax		Universal 381
12.25”’Universal 282
13”’Universal 283Universal 383
13.5”’Universal 284
14”’Universal 285Universal 385
15”’Universal 287Universal 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