The annual calendar chronograph is made from platinum and has a 40.5-mm case. The mechanical self-winding movement is visible through a sapphire crystal case back. The chronograph features 60-minute and 12-hour monocounters at 6 o’clock, shows day, date, and month in apertures, and has a power reserve and day/night display. This timepiece boasts the prestigious Geneva Seal hallmark.
Photo by Cruchon