IWC, Portugieser Series, Men's Watch, Model: IW371617, Silver Dial with Blue Hands and Arabic Hour Markers, Minute Markers at 5 Intervals Around Outer Rim, Analog Dial Type, Chronograph Functions Featuring Two Sub-Dials Displaying Seconds (60 sec) and Minutes (30 min), IWC Calibre 69355 Automatic Movement Based On IWC 69370 Containing 27 Jewels Composed Of 194 Parts Bitted At 28800 Vph Power Reserve Approx. 46 Hours, Scratch Resistant Sapphire Crystal, Screw Down Crown, Transparent Case Back, Stainless Steel Case With Stainless Steel Bracelet, Fixed Stainless Steel Bezel, Round Shape Size: 41mm Thickness: 13mm Deployment Clasp, Water Resistant Up To 30 Meters / 100 Feet