The IWC Portofino Chronograph (ref.Ā IW391027)Ā takes its design cues from the 1960s, with elegantly sporty push-buttons and chronograph displays. The stainless
CASE Stainless steel case Diameter 45.0Ā mm Height 11.7Ā mm Water resistance 3 bar MOVEMENT 59210 Calibre IWC-manufactured movement Manual-winding 192 hours