IWC Portofino Hand-Wound Eight Days Watch - 45 mm Stainless Steel Case - Black Dial - Dark Brown Alligator Strap - IW510102 Tourbillon 45 mm polished blue sapphire

45 mm polished blue sapphire crystal case

microblasted black ceramic bezel with 6 H-shaped titanium screws

caliber 9981 MC manual-winding movement with mysterious hour and minute display complication

40 mm 18K white gold case

IWC Portofino Hand-Wound Eight Days Watch - 45 mm Stainless Steel Case - Black Dial - Dark Brown Alligator Strap - IW510102 Tourbillon 45 mm polished blue sapphire45 mm stainless steel case, sapphire glass back, black dial, hand wound calibre 59210 movement with power reserve display, date display, small hacking seconds, approximately 8 days of power reserve, dark brown alligator leather strap. Water resistant to 3 bar.