IWC Portofino Monopusher Chronograph IW515104

IWC Portofino Monopusher Chronograph IW515104. 18ct rose gold 45mm diameter case with push-button crown. Water resistant up to 30 metres. Self-winding IWC-manufacture calibre 59360 monopusher chronograph movement, featuring a column wheel mechanism and a 168-hour (7-day) power reserve. Fixed 18ct rose gold bezel. Silver opaline dial with applied rose gold baton markers and feuille-style hands. Single-button chronograph function operated via the crown, measuring hours, minutes and seconds. Central chronograph seconds hand with 60-minute counter displayed at 12 o’clock. Small seconds sub-dial located at 6 o’clock. Sapphire crystal glass with anti-reflective coating. Exhibition case back. Dark brown alligator leather strap with 18ct rose gold pin buckle. Box, instruction manual and certified pre-owned Watches of Switzerland card December 2021.