Grosse Fliegeruhr “Saint-Exupéry”
Description: 46 mm, white gold with Pellaton automatic winding movement. Seven day power reserve (when fully wound) displayed on dial. This watch has a Glucydur beryllium alloy balance with high- precision adjustment cams on the balance arms. This watch also features a Breguet spring, date display, central hacking seconds, water resistance to 6 bar(200 ft) and a screw in crown. The crystal is convex sapphire glass with an antireflective coating on both sides and secured against displacement by drop in air pressure.