The US Open mixed doubles winner andrevavassori wears a geraldcharles_official GC Sport ‘Blue’ in titanium. It features a royal blue dial with 3, 9 and 12 numerals and the 39mm case is made out of grade 5 titanium. To guarantee comfort during sports, the watch’s screw-down crown has moved from the right to the left side of the case. #GeraldCharles Retail price: $ 17,300.00 Photo: usopen | geraldcharles_official