approximately 96 hours of power reserve
unidirectional rotatable black Cerachrom time lapse bezel
silvered opaline dial with blued-steel sword shaped hands
Every element exudes meticulous craftsmanship: from the screw-down back and crown featuring a triplock triple waterproofness system
showcasing an unmatched blend of sophistication and robustness
IWC Portofino Chronograph Watch - 42.0 mm Stainless Steel Case - Silver Dial - Dark Brown Alligator Strap - IW391027 Seashell approximately 96 hours of power42. 0 mm stainless steel case, 13. 6 mm thick, convex sapphire glass crystal with antireflective coating on both sides, silver plated dial, calibre 75320 automatic movement with date, day, chronograph, hours, minutes, small seconds, approximately 44 hours of power reserve, dark brown alligator leather strap. Water resistant to 3 bar.