The chronograph has always hold a strong presence in Patek Philippe's collections. For over 180 years, the manufacture has created a wealth of different models, many of which are most admired and sought after by connoisseurs and collectors.
Set with 36 baguette diamonds
Up to 30 m
Ebony black opaline
8 baguette diamond hour markers
Central chronograph hand, subdial for 60-minute and 12-hour monocounter
Day, date and month in apertures
Indicator at 12 o'clock
Movement and Functions
Self-winding, Power reserve up to 55 hours
CH 28-520 IRM QA 24H
Flyback chronograph. 60-minute and 12-hour monocounter. Annual Calendar. Day/night indication. Power reserve indicator. Sweep second.