AN 9K ROSE GOLD GENTS MANUAL WRISTWATCH. Case Reference Number: 23355. Date: 1926. Movement: Swiss manual movement. Dial: White, black Latin numerals, bluing breguet hands, sub-dial for seconds at 6 o'clock position. Case: 9K rose gold, Sylvain Dreyfuss hallmark. Strap: Generic brown leather strap, gilt buckle. Size: 32mm. Weight: 26g.