Breguet Tourbillon Extra-Plat 5377 Watch - 5377PT/12/9WU

41mm platinum case, 7mm thick, sapphire crystal back, silvered gold dial with four different engine-turned patterns executed by hand (clou de Paris hobnail, barleycorn, straight chevrons and cross hatching), caliber 581DR self-winding movement extra-thin (3 mm) with 80-hour power reserve indicator and small seconds on the tourbillon axis, approximately 80 hours of power reserve, black leather strap. Water resistant to 30 meters.