Ayrton Senna energy, everyday precision. This TAG Heuer Formula 1 Calibre 16 chronograph pairs a sleek gray dial with red accents and a steel bracelet—sport-luxury that wears sharp from day to night. Brand: TAG Heuer   Model: Formula 1  Reference: CAZ201D Serial No.: WTU7512 Condition: Excellent Condition Details: Excellent overall condition with almost no visible signs of use. Barely noticeable hairline marks may be present, but they are not visible to the naked eye. Please see photos for details. Dial Colour: Gray Dial Material: Steel Starp Colour: Silver Strap material: Steel Movement: Automatic Closure: Fold clasp Face Diameter: 43 mm  Approx. max circumference:  22 cm Comes With: Box, Papers, Certificate, Extra link, Service card