Breguet Classique 5178

Breguet's Classique 5178, reference 5178BA/29/9V6, has a 38 mm case in yellow gold. The case measures 8.8 mm thick, with lugs set 20 mm apart, and the sapphire crystal sits over a gold dial finished with guilloché work. Inside is the self-winding calibre 777 Q, offering 55 hours of power reserve. The dial carries a central seconds display and a date indication, both integrated into the guilloché pattern. The watch is set with diamonds, and a sapphire caseback exposes the movement's finishing. Breguet pairs the case with an alligator leather strap closed by a yellow gold pin buckle. The case is rated to 30 metres of water resistance.