Breguet Marine Haute Joaillerie 9509 Poseidonia

Breguet's Marine Haute Joaillerie 9509 Poseidonia, reference 9509BB/5R/984, has a case in white gold measuring 35.8 mm across. The case stands 10.5 mm thick and carries lugs 18.5 mm wide. A sapphire crystal covers the mother-of-pearl dial, its guilloché surface set with diamonds and colour gemstones in an invisible setting inspired by Mediterranean seagrass. The self-winding calibre 591 C drives the watch, offering 38 hours of power reserve and a central seconds display. A sapphire caseback shows the movement's finishing. The dial pairs with an alligator leather strap fastened by a white gold folding clasp, itself set with diamonds and coloured stones. Water resistance is modest, rated to 15 metres.