Breguet Marine Tourbillon Equation Marchante 5887

The Breguet Marine Tourbillon Equation Marchante 5887 (reference 5887PT/92/5WV) has a 43.9mm round case in 950 platinum with a sapphire caseback. The black 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 drives a running equation of time, perpetual calendar, tourbillon, and power-reserve indication, and includes a peripheral oscillating weight engraved with the "Royal Louis" vessel; power reserve is 80 hours. The watch is fitted on a rubber strap and is water-resistant to 10 bar (100m).