Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Rolex SA is an Swiss watchmaking manufacturer of high-quality, luxury wristwatches. Rolex watches are popularly regarded as status symbols and BusinessWeek magazine ranks Rolex No.71 on its 2007 annual list of the 100 most valuable global brands. Rolex is also the largest single luxury watch brand, producing about 2,000 watches per day, with estimated revenues of around US$3 billion (£1.75) (3.02 CHF billion) (2003 figures).In 1905 Hans Wilsdorf and his brother-in-law Alfred Davis founded "Wilsdorf and Davis" in London.