Reference 6234 'Pre-Daytona', A stainless steel chronograph wristwatch with bracelet, Circa 1961 勞力士 6238型號 'Pre-Daytona' 精鋼計時鍊帶腕錶,約1961年製 | Important Watches | 2021 | Sotheby's
ROLEX, OYSTER CHRONOGRAPH, REF. 6234, WITH BLACK DIAL, STEEL Fine, stainless steel manual winding chronograph. | Important Modern & Vintage Timepieces. | Geneva, November 12, 2017