A Carl F. Bucherer Patravi TravelTec Chronograph mens wrist watch. Swiss made. The watch features a striking blue dial with luminous hour markers and hands. The iconic 24 hour scale surrounding the dial allows for easy reading of multiple time zones. Patravi TravelTec is a true expert in time zone travel. The exact time in three time zones. Marked and numbered with etching, on the backside. Contemporary Mens Wrist Watches and Accessories For Collectors.