Technical data

Watch:

* Mechanical self-winding movement
* Caliber CH 28-520 IRM QA 24H
* Annual Calendar Chronograph
* 60-minute and 12-hour mono-counter at 6 o'clock
* Day, date and month in apertures
* Power reserve and day/night display
* Bezel set with 36 baguette diamonds (~3.48 ct)
* Matt blue dial, 8 diamond hour markers (~0.23 ct)
* Sapphire-crystal case back
* Platinum
* Strap: alligator with square scales, hand-stitched, shiny navy blue
* Water resistant to 30 m
* Fold-over clasp set with 22 baguette diamonds (~0.97 ct)
* Case diameter: 40.5 mm

Caliber:

* Annual Calendar Chronograph
* Chronograph with 60-minute and 12-hour monocounter
* Annual Calendar mechanism
* Day, date, month by apertures
* Annual date correction on March 1
* Power reserve and day/night display
* Overall diameter: 33 mm
* Height: 7.68 mm
* 40 jewels, 14 bridges
* Balance: Gyromax
* Vibrations per hour: 28,800
* Power reserve: 55 h max.
* Balance spring: Breguet
* Number of parts: 456