Rolex Explorer II 1655 Mk1 Straight Hand watch-tool The Rolex Daytona was introduced

The Rolex Daytona was introduced in 1963 as a purpose-built chronograph for professional racing drivers

This watch has an added bonus in that it has a sigma dial

early in his career

This example has a so-called Swiss Only dial

Rolex Explorer II 1655 Mk1 Straight Hand watch-tool The Rolex Daytona was introducedThe Rolex Explorer II Reference 1655 is widely regarded as one of the coolest and perhaps still somewhat underrated vintage Rolex sports watches available on todays market. Originally developed for cave explorers and speleologists working in environments without natural daylight, the fixed 24 hour bezel and large orange 24 hour hand allowed the wearer to clearly distinguish between day and night at a glance. This particular example is an early