Breguet Marine Big Date 5817 5817BR/Z2/5V8 Black Dial watch is equipped with a replica Breguet Cal.517GG movement, Breguet hands (hollow eccentric “moon-shaped” hands) and Breguet digital scales. Breguet Marine Big Date 5817 5817BR/Z2/5V8 GF Factory Black Dial Replica Watch. The central position of the dial is made of Marine series’ iconic water ripples. The pendulum of the movement is also made of the same lines to correspond with it. Its function and appearance are consistent with the original one.