Breguet Marine 9518

Breguet's Marine 9518, reference 9518BR/52/584, is a rose gold watch measuring 33.8 mm across. The case stands 9.9 mm thick and carries a sapphire crystal over a mother-of-pearl dial finished by hand in guilloché. It is set with diamonds and runs on the self-winding calibre 591 A, with 38 hours of power reserve. The movement sits under a sapphire caseback, visible through the display back, and the dial shows a central seconds hand alongside a date. Hands are treated with grey phosphorescence for low-light legibility. The watch is fitted to a rubber strap with a rose gold folding clasp. Breguet rates the case to 50 metres.