Breguet Tourbillon Extra-Plat 5377 Watch - 5377PT/12/9WU 6109 making this not just a

making this not just a timepiece but a collector's item

transparent sapphire glass back

white dial with silvered open-work grid and Roman numerals with blued hands

59 Model Number 77410BC

8mm) 18K pink gold case set with brilliant-cut diamonds

Breguet Tourbillon Extra-Plat 5377 Watch - 5377PT/12/9WU 6109 making this not just a41mm 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.