IWC Schaffhausen Da Vinci Perpetual Calendar

The IWC Da Vinci Perpetual Calendar, reference IW375811, is a chronograph. The watch has a perpetual calendar. Self-winding calibre 79261 has a 44-hour power reserve and 39 jewels. The silver dial has a day and date display, small hacking seconds and a moon phase display under convex sapphire glass with antireflective coating on both sides; the calendar also has a month display. The case carries a water-resistance rating of 30 metres. The movement has Côtes de Genève and perlage decoration. The movement runs at 28,800 vibrations per hour. A brown alligator leather strap measures 20 mm wide.