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The Cartier Santos Chronograph Extra‑Large ref. WSSA0017 reinterprets its aviation roots in a commanding 43.3 mm stainless steel case paired with a matte black ADLC-coated bezel secured by signature screws. Its satin-brushed silver dial is punctuated by bold black Roman numerals, luminous steel sword hands, and snailed chronograph registers—featuring 30-minute, 12-hour, and small-seconds subdials alongside a discreet date window at 6 o’clock. The look is both sporty and architecturally balanced.
Equipped with interchangeable rubber and alligator leather straps secured by Cartier’s QuickSwitch system and folding buckle, this model seamlessly transitions between casual and refined environments. Collectors prize it for merging Cartier’s iconic square aesthetic with robust chronograph functionality—making it a standout choice for those who appreciate expressive size, refined detail, and practical complication.
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The Cartier Santos de Cartier Chronograph Extra-Large WSSA0017 is a bold yet refined take on the brand’s iconic square-cased design. Measuring 43.3 mm, the stainless steel case is paired with a matte-black ADLC bezel accented by Cartier’s signature exposed screws. The seven-sided crown, topped with a black synthetic spinel cabochon, adds a distinctive maison flourish. Despite its commanding size, the case remains slim and well-balanced, offering both presence and comfort on the wrist.
The silver sunray dial is arranged with classic black Roman numerals and a chemin de fer minute track, while bold black sword-shaped hands with luminescence ensure legibility. Three chronograph subdials are positioned at 3, 6, and 9 o’clock, with a discreet date aperture integrated within the 6 o’clock counter. The clean symmetry of the layout preserves the Santos identity while delivering full chronograph functionality.
Inside beats Cartier’s in-house automatic Caliber 1904-CH MC, featuring a column wheel and vertical clutch for smooth chronograph performance and a 48-hour power reserve. The watch comes with both a rubber strap and a black alligator strap, easily interchangeable via Cartier’s QuickSwitch system. Water-resistant to 100 meters, the WSSA0017 combines durability, technical sophistication, and Cartier’s timeless design, making it a standout choice for collectors who value versatility and modern refinem