Breguet Marine Tourbillon Equation Marchante 5887

Breguet's Marine Tourbillon Equation Marchante 5887, reference 5887PT/92/5WV, comes in a 43.9 mm platinum case. The case measures 11.8 mm thick, with lugs set 24.5 mm apart. A sapphire crystal covers the black guilloché dial, hand-finished and paired with luminous hands. Self-winding calibre 581DPE drives the watch, offering 80 hours of power reserve alongside a tourbillon, a perpetual calendar and a running equation of time, with small seconds and date shown as well. The sapphire display back exposes the hand-finished bridges and the tourbillon carriage. A rubber strap closes on a platinum folding clasp. Water resistance stands at 100 metres.