TAG Heuer - Formula 1 Chronograph - CAZ1010 The Tag Heuer Formula 1 Chronograph was TAG’s challenge to push further ahead their heritage and reputation in the realms of high-end mechanical movements. Despite being an entry-level sports watch is a model that fortifies the brand’s relationship with Formula 1 racing. The Formula 1 has been TAG Heuer’s playful and colorful approach to adventurous activities; its design is largely different than the rest of the TAG Heuer F1 range. Reference No: CAZ1010.FT8024 Serial No: WMP8313 Case Material: Stainless steel Diameter: 43 mm Case Back: Solid Strap: Rubber Strap Length: 21 cm Claps: Buckle Glass: Scratch Resistant Sapphire Dial: Black Bezel: Uni-directional rotating black titanium-carbide Crown: Screw down Condition: Worn & Very good condition Movement: Quartz Functions: Hours, Minutes, Seconds, Chronograph: Seconds, 30 minutes counter, Date Extras: Full set