Breguet Marine Tourbillon Equation Marchante 5887

Breguet's Marine Tourbillon Equation Marchante 5887, reference 5887BR/G2/9WV, is a 43.9 mm rose gold case with a Grande Complication movement inside. The case measures 11.8 mm thick, with lugs set at 24.5 mm, and the slate dial has a guilloché finish under a sapphire crystal. The self-winding calibre 581DPE runs at 80 hours of power reserve and drives a tourbillon alongside a perpetual calendar and a running equation of time, with a date and small seconds also on display. Hands are luminous, and a power reserve indicator sits on the dial as well. Through the sapphire caseback the hand-finished bridges and bevelling of the movement are visible. The watch is fitted to an alligator leather strap with a rose gold folding clasp. Water resistance is rated to 100 metres.