Breguet Marine Tourbillon Equation Marchante 5887

The Breguet Marine Tourbillon Equation Marchante 5887 (reference 5887PT/Y2/9WV) features a 950 platinum case measuring 43.9 mm in diameter with a sapphire caseback. The blue gold dial is hand-engraved on a rose engine and includes an off-centred chapter ring and small seconds on the tourbillon shaft. It is powered by the self-winding Breguet calibre 581DPE, which has a peripheral oscillating weight engraved with the "Royal Louis" vessel, a power reserve of 80 hours, and combines a running equation of time, perpetual calendar, and tourbillon. The watch is fitted with an alligator strap and is water-resistant to 10 bar (100 m).