
A brief history of vintage Rolex Chronographs with a focus on the pre-Daytona reference 6234.
Rolex began producing its first wristwatch chronographs in the mid-1930s. The first years of production were a true laboratory of ideas. These first wrist chronographs were produced in a huge variety of versions, differing in the shape of the case, the caliber used, the type of pushers, hands and dials.