IWC Portugieser Tourbillon Mystere Retrograde Watch - 44.2 mm Red Gold Case - Ardoise Dial - Dark Brown Alligator Strap - IW504602 Watch silvered dial with 1 Roman

silvered dial with 1 Roman numeral

showcasing small seconds on the tourbillon carriage

40 mm 18K rose gold case set with 52 brilliant-cut diamonds

has a Ceramic 42 mm Tonneau (Rectangle) Case with Screw Down Crown and a Ceramic

IWC Portugieser Tourbillon Mystere Retrograde Watch - 44.2 mm Red Gold Case - Ardoise Dial - Dark Brown Alligator Strap - IW504602 Watch silvered dial with 1 Roman44. 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.