Breguet Classique 5377BR /12 /9WU Extra-thin Self-winding Tourbillon

Breguet 5377 Extra-thin Self-winding Tourbillon. Classique "Grande Complication" wristwatch in 18-carat rose gold. Extra-thin 3mm self-winding movement, calibre 581DR, 16 lines, 42 jewels. Tourbillon in a titanium carriage. Inverted lateral lever escapement in silicon and non-magnetic steel. Silicon balance spring. Frequency 4Hz. Barrel mounted on roller bearings. Peripheral platinum rotor. 80-hour power reserve. Small seconds on the tourbillon axis. Ultra-thin 7mm case in 18-carat rose gold (also available in 950 platinum). Silvered gold dial adorned with four different engine-turned patterns executed by hand: clou de Paris hobnail, barleycorn, straight chevrons and cross hatching.