Watch:
* Caliber CH 28-520 IRM QA 24H
* Mechanical self-winding movement
* Annual Calendar Chronograph
* Chronograph with 60-minute and 12-hour monocounter at 6 o'clock
* Day, date, and month in apertures
* Power reserve and day/night display
* Anthracite dial, gold applied hour markers
* Fold-over clasp
* Sapphire crystal case back
* Water resistant to 30 m
* Platinum
* Case diameter: 40.5 mm
* Chronograph with 60-minute and 12-hour monocounter at 6 o'clock
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