Breguet Classique Grande Complication 5307BA/12/9V6
wristwatch in 18-carat yellow gold with automatic tourbillon. Automatic, engraved movement. Engine-turned regulator dial in silvered, 18-carat gold. Chapter ring with Roman hours, offset at 12 o'clock. Centre minutes hand. Tourbillon at 6 o'clock. Secret signatures. Engine-turned caseback with sapphire crystal. 120 hours power reserve. 3Hz balance frequency. Water-resistant to 30 metres.