IWC Portofino Hand-Wound Eight Days Watch - 45 mm Stainless Steel Case - Black Dial - Dark Brown Alligator Strap - IW510102 Tourbillon caliber 8901 self-winding Co-Axial master

caliber 8901 self-winding Co-Axial master chronometer movement with date function

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

40 mm 18K white gold case

grey rubber and gummy alligator strap with deployant buckle

IWC Portofino Hand-Wound Eight Days Watch - 45 mm Stainless Steel Case - Black Dial - Dark Brown Alligator Strap - IW510102 Tourbillon caliber 8901 self-winding Co-Axial master45 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.