Breguet caliber 581DR
Extra-thin 3 mm self-winding movement, calibre 581DR, 16 lines, 42 jewels. Tourbillon in a titanium carriage. Inverted lateral lever escapement with silicon horns. Silicon balance spring. Frequency 4 Hz. Barrel mounted on roller bearings. Peripheral platinum rotor. 80-hour power reserve. Small seconds on the tourbillon axis.