The Graham is the official timekeeper of the MERCEDES GP PETRONAS Formula One Team and released models with the smallest case in 42mm from sponsorship series. The hands are designed by team colors; silver, black and "Petronas green".
Automatic movement G1714 Power reserve about 42 hours Stainless steel case Diameter: 42 mm Steel bezel with "Clous de Paris" decoration Silver or black carbon dial Hour, minutes, seconds and GMT hands GMT / second timezone Date at 7 o'clock
Domed sapphire crystal anti-reflective coating on both faces See-through sapphire crystal case back with Mercedes GP Petronas logo Integrated black tire tread rubber strap 50 M water resistant