Breguet Classique Chronométrie 41mm | 7727BB/12/9WUPolished 18k white gold case with Breguet signature coined edge. Case size : 41 mm. Silver dial. Center is finished with a very fine wave and linear guilloche texture pattern. The seconds sub dial features a very fine clos de Paris guilloche texture pattern. 1 10 of a second sub dial with a fine starburst guilloche texture pattern. Scratch resistant sapphire crystal protects the dial. Power reserve sub dial with a 3d stepped design guilloche texture