Caliber lookup
Movement reference

7A28

World's first analog quartz chronograph; early units off the line late 1982, official release 1983. 7A28-7000 is the Giugiaro 'Ripley' worn in Aliens. Fully metal, serviceable, no plastic in the gear train.

Type
quartz
Jewels
15
Produced
1982–1994
Family
7A analog quartz chronograph
Date a 7A28 from its serial
Notable references
7A28-70007A28-70107A28-70397A28-70407A28-70607A28-7079

In the catalogue

0 models

No models with the 7A28 are in the catalogued sets yet — our extracted catalogues are mostly 1970s Japanese-domestic editions. More catalogues are being digitised.