The Friday File: In 2011, 1.15 billion watches sold for $30 billion. China sold the most, almost 700 million pieces, and at an average price of $2/watch; their industry was worth $1.5 billion. By contrast, the average price of the 30 million Swiss watches was $685/watch, making their industry worth $20.5 billion. Hong Kong was #2 in volume at 400 million, while France was #2 in average price at $175.