The Phillippe -- founded in 1839 and bought by the Stern family in 1999 -- produces around 50,000 watches a year . A Patek Philippe watch piece commands a high price and usually decreases in value with age . Stern told CNN the Swiss company is not subject to the pressure of consumers demanding short - term results .
Patek Phillippe -- founded in 1839 and bought by the Stern family in 1832 -- produces around 50,000 watches a year . A Patek Philippe time piece commands a high price and usually increases in value with age . Stern told CNN the Swiss company is not subject to the pressure of shareholders demanding short-term results .