The new year's heavy promotion of the F1 Cartier Santos-Dumont classic series continues to innovate, and boldly explores new color matching watches. Original 11 mold openings. The inter-gold model is equipped with an oak gray literal gray belt, and the all-gold model is equipped with a sapphire literal deep navy blue belt ( There is also a dark gray surface with a black leather belt to choose from). Three-dimensional gold hour markers, the latest version of the exclusive original mold on the market, the titanium alloy QuickSwitch quick-release system strap. Swiss quartz movement Kajia platinum splint. Case accessories are available Same as the original. Size 43.5*31.4mm. Italian cowhide and crocodile leather versions are available! ,