Sang Yingkai

1) How did Rolex revolutionalize the watch industry in its early years as Wilsdorf &Davis? By developing a screw crown and casebook mechanism which revolutionized the watch industry. 2) What technology breakthroughs did Rolex develop in the watch industry? In 1926 Wilsdorf developed a case that was impervious and waterproof. 3) What did Rolex do to survive the Japanese invention of the quartz watch? Rolex stuck resolutely to its mechanical guns to survive the Japanese invention of the quartz watch.

4) What corporate philosophy has Rolex always adhered to? Their philosophy has always been to let the product speak for itself .At Rolex , the product is an obsession.