Breguet Reine de Naples Jour/Nuit 8998

Breguet's Reine de Naples Jour/Nuit 8998, reference 8998BB/11/974, is an oval case measuring 40.1 mm in height. It measures 10.6 mm thick, with lugs set 17 mm apart. The case is white gold, set with diamonds. A self-winding calibre 78CS runs the watch, with 57 hours of power reserve. The dial sits under a sapphire crystal, and a sapphire display back shows the movement from behind. The silver dial is finished by hand-guilloché work and carries luminous hands, alongside a day and night indication and a central seconds display. The watch closes on an alligator leather strap with a white gold folding clasp. Breguet rates the case to 30 metres.