IWC Style No: IW392103 IWC Da Vinci Perpetual Calendar Chronograph Watch - 43.0 mm Stainless Steel Case - Slate Dial - Black Alligator Strap

43.0 mm stainless steel case, 15.7 mm thick, see-through sapphire glass back, arched-edge sapphire glass crystal with antireflective coating on both sides, slate-coloured dial, calibre 89630 automatic movement with date, day, month, perpetual calendar, year indicator, chronograph, flyback, hours, minutes, small seconds, moonphase, approximately 68 hours of power reserve, black alligator leather strap by santoni. Water resistant to 3 bar.