Breguet Tradition Quantième Rétrograde 7597

Breguet's Tradition Quantième Rétrograde 7597BB/GY/9WU has a 40 mm case in white gold. The case measures 12.1 mm thick, with lugs set 21 mm apart. Its self-winding calibre 505Q runs at 3 Hz and holds a 50 hour power reserve, visible through a sapphire caseback. A sapphire crystal covers the off-centred blue dial, finished by hand with guilloché work. The retrograde date sits between 3 and 9 o'clock, read by a curved hand that arches over the movement's components, while a separate hand handles the central seconds. An alligator leather strap closes with a white gold pin buckle. Water resistance is rated to 30 metres.