Mens Breguet Classique Power Reserve #3137 watch, 18kt yellow gold case (36.3mm diameter, 7.45mm thick), 18kt yellow gold bracelet, silver engine-turned dial with black Roman numerals and blue-steeled Breguet hands, power reserve and moonphase indicators, date calendar subdial at 6 o'clock, clear sapphire crystal caseback, 502DRT caliber 37 jewel self-winding mechanical movement, scratch-resistant sapphire crystal, water-resistant to 30 meters.