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
Notable references
7A28-70007A28-70107A28-70397A28-70407A28-70607A28-7079
In the catalogue
0 modelsNo models with the 7A28 are in the catalogued sets yet — our extracted catalogues are mostly 1970s Japanese-domestic editions. More catalogues are being digitised.

