BUREN Grand Prix 9k yellow gold wristwatch, manual winding, Switzerland for the English market 1950´s, 3-piece construction Dennison case, snap on case back with dedication engraving & bezel, silvered duoton-dial with Arabic numerals due to age spotty, blued steel hands, display of hours, minutes & constant second, 17 jewels, calibre 410, 4 pressed chatons, diameter approx. 29 mm, condition 2- 3, property of a collector