Breguet Classique Phase de Lune 7137

Breguet's Classique Phase de Lune 7137BB/Y5/9VU is a white gold dress watch measuring 39 mm across. The case stands 8.7 mm thick, with lugs finished to 20 mm in width. A sapphire crystal covers the blue guilloché dial, hand-engraved with three distinct patterns marking out the different indications. Inside is the self-winding calibre 502.3 DR1, offering 46 hours of power reserve. The dial displays a moon phase and a power reserve indicator alongside central seconds and a date, and a sapphire caseback shows off the movement's finishing. The watch is fitted to an alligator leather strap with a white gold folding clasp. Water resistance is modest, rated to 30 metres.