Breguet Marine Tourbillon Equation Marchante 5887

The Breguet Marine Tourbillon Equation Marchante 5887 (reference 5887BR/12/9WV) has a 43.9mm round case in 18K rose gold with a sapphire caseback. The silvered gold dial is hand-engraved on a rose engine and features an off-centred chapter ring along with a small seconds display on the tourbillon shaft. The self-winding Breguet calibre 581DPE movement, visible through the caseback, includes an engraving of the "Royal Louis" vessel on its peripheral oscillating weight and drives a running equation of time, perpetual calendar, tourbillon, and power-reserve indication, with an 80-hour power reserve. The watch is fitted on an alligator strap and is water-resistant to 10 bar (100m).