IWC 3715 GST Chronograph Rattrapante, IW371508, 3715-08, stainless steel on a stainless steel bracelet, automatic, day, date, chronograph with split second function, small seconds, light grey dial, luminescent hands and index hour indicators, sapphire crystal, diameter: 43mm, thickness: 17mm, water resistant, Like New with Box and European Watch Co. Warranty Card.