Cartier Roadster Chronograph Automatic ref. 2618, tonneau-shaped, curved, self-winding, water-resistant, stainless steel wristwatch with square button chronograph, registers, tachometer, date, and a leather strap with a Cartier deployant clasp. Scratch Resistant Glare Proof Sapphire Crystal. Buy with confidence knowing each timepiece goes through the same rigorous 31-point inspection. Rest assured only authentic parts straight from the manufacturer are used. The Certified Pre-Owned Program on Amazon ensures peace of mind and transparency via standardized reports and a 1 Year Warranty Provided by WatchFacts.