IWC Portugieser Mens Watch IW371604An iconic design, the IWC Portugieser watches originated in the 1930's, when IWC built at the request of two Portuguese merchants a large wrist watch with the precision of a pocket watch. The noticeably large and striking wristwatch first launched in 1939 and features a railway-rack style chaper ring ("chemin-de-fer"), a popular feature on pocket watches in the 1930's, is reminiscent of railway tracks and is still on the simple dials of Portugieser timepieces to this day. This IWC Portugieser Mens Watch IW371604 features a 41mm stainless steel case is printed with a quarter-second scale making it easy to read the time preciesly and blends into the dial with its gold plated Arabic numerals and slim hands. Powered by an automatic movement, equipped with the IWC-manufactured 69355 calibre, this timepiece is also water resistant up to 30 metres.