The $815,000 Wristwatch Leave a reply Greubel Forsey Quadruple Tourbillon, yours for only $815,000. Quantity limited. New York Times story on Greubel Forsey and the $815,000 Quadruple Tourbillon wristwatch. Company employees about 100 people, produces about 100 watches a year. Yes, there are some offers for Greubel Forsey on eBay.