Rolex - a gentleman's 9 carat yellow gold Oyster automatic wristwatch. Rolex - a gentleman's 9 carat yellow gold Oyster automatic wristwatch, circa 1920, 23mm circular cream dial with raised baton markers and 12, 3 and 9 in Arabic numerals in a 31mm diameter square 9 carat yellow gold case with screw design bezel, screw back case back numbered 29828, import hallmarks for Glasgow 1933, automatic movement, fitted with a gold-plated part-expanding bracelet, watch is running intermittently.