Rolex Cosmograph Daytona.
Model: Rolex Cosmograph Daytona, a legendary chronograph known for its association with motor sports.
Case and Bezel: Features a yellow gold case with a striking, aftermarket or special-edition diamond-set bezel.
Dial: The dial is black with an intricate, ornate gold pattern and diamond hour markers. It includes three gold sub-dials (chronograph counters).
Strap: Fitted with a black rubber strap, likely an Oysterflex bracelet or similar.
Functionality: The Cosmograph Daytona is renowned for its precision and reliability, designed to allow drivers to measure time intervals and average speeds using the tachymetric scale (though not visible on this diamond bezel version). It is also waterproof to 100 meters