The Cartier Santos is a renowned and iconic watch collection known for its square case, exposed screws on the bezel, Roman numeral dial, and often featuring a blue cabochon crown. Originally created in 1904 for aviator Alberto Santos-Dumont, the Santos collection represents a harmonious fusion of classic elegance and innovative design. For the latest models and detailed information, it is advisable to check Cartier’s official website or consult with authorized Cartier dealers.