Breguet Classique Grande Complication 7637BB/12/9ZU
wristwatch in 18-carat white gold. Hand-wound movement with minute repeater, entirely engraved by hand. Dial in silvered 18-carat gold, hand-engraved on a rose engine. 24-hour indication at 3 o'clock and running seconds at 9 o'clock. Sapphire-crystal caseback.