IWC Portugieser Chronograph watches are of premium quality. The IWC Portugieser Chronograph 41mm IW371491 is equipped with a reliable automatic self-winding mechanism (powered by arm motion amplitude) of IWC69355, which features the following features: hour, minute and second hands, as well as chronograph. The round case of the watch is 41 mm in size and 13.1 mm in height and will perfectly complement the image and decorate the wrist of its wearer. For manufacturing watches IWC Portugieser Chronograph 41mm IW371491 offered in our online store, use high quality stainless steel 316L (Swiss standard), as well as sapphire glass of high strength, thus providing maximum protection against chipping and mechanical damage. The distinctive feature of this model is the blue dial, whose hour indices provide Arabic numerals. The IWC leather strap completes the look with a black IWC leather strap with a distinctive folding clasp. The waterproofness of this model is 30M (WR30) – minimal exposure with water is allowed.