Authentic Must de Cartier Tank Vermeil watch Model features a 925 sterling silver case coated in 20-micron gold (Plaqué OR G20M) with the classic black Roman numeral dial and blue cabochon crown. Details: • Authentic Cartier (see hallmarks & serial stamped on caseback) • Case: 925 silver with 20M gold plating • Dial: Black with Roman numeral markers • Movement: Swiss • Crown: Blue cabochon • Strap: Genuine leather replacement strap • Vintage piece with normal wear patina from age • Plating wear shown clearly — price reflects Condition: Good vintage condition overall. Plating wear/scratches present on the caseback and edges (see photos). Front of case and dial are clean. Keeps time. Strap is in great condition.