black structured and lined strap
sapphire crystal with interior and exterior anti-reflective treatment
beaded crown set with a cabochon
rhodiumized 18K white gold bracelet and crown protector set with 488 brilliant-cut diamonds totaling 8
satin-finished black ceramic bezel and anodized yellow composite resin lower bezel with 6 H-shaped black PVD titanium screws
IWC Portugieser Tourbillon Mystere Retrograde Watch - 44.2 mm Red Gold Case - Ardoise Dial - Dark Brown Alligator Strap - IW504602 Big Bang black structured and lined strap44. 2 mm 18K red gold case, 15. 3 mm thick, sapphire back, sapphire crystal with arched edge, antireflective coating on both sides, ardoise dial, caliber 51900 pellaton automatic winding movement with power reserve display, retrograde date display, flying minute tourbillon, approximately 7 day of power reserve, dark brown alligator leather strap by Santoni. Water resistant to 3 bar.