Mens Breguet Classique Power Reserve #3680 watch, 18kt yellow gold case (36.3mm diameter, 8.30 mm thick), crocodile leather strap, silver engine-turned dial with blue-steeled Breguet hands and "off-center" hours subdial, date and power reserve indicator, 591DR caliber 23 jewel self-winding movement, scratch-resistant sapphire crystal, water resistant to 30 meters.