In terms of sheer volume no watch company enjoys the sales activity of Rolex. Founded by Hans Wilsdorf in 1878 Rolex created the famous oyster case the first truly waterproof case in 1926 and the self winding movement in 1931. Combining these two major horological feats results in the famous oyster perpetual Rolex watch which enjoys considerable use and acclaim world wide. You can choose from a large array of watches ranging from the rugged and durable steel sport models such as the Submariners and GMT masters to the handsome and elegant gents and ladies datejust and presidential models in steel steel and 18k gold gold and platinum. Our collection of pre&8211;owned Rolex watches is one of the largest and diverse in existence. Our Collection of pre&8211;owned Rolex watches is one of the most extensive in the world. Each watch has been meticulously serviced both internally and cosmetically by our staff of watchmakers and is accompanied by our one year warranty. The classic gold dress watch is known as the President available in both gents and ladies. The current generation mens watch has the double quick function which enables the day and the date to be changed independently from the crown. This was implemented in 1989 prior to which only the date could be changed from the crown and the day is changed by rotating the hands 24 hrs hence this is referred to as single quick. back in 1980 Rolex changed the crystal from accrylic to scartch resistant synthetic sapphire crystal. These watches are available with and without diamond accessories.