Cartier ‘must de Cartier’ Tank Vermiel Watch

Beautiful women’s vintage Must De Cartier tank vermeil watch in good working condition 7.5” in length Some key characteristics of this model include: • Case: Vermeil (gold-plated sterling silver). • Dial: Black dial with Roman numerals. This specific style of black dial is sometimes referred to as a"tuxedo dial" or "onyx dial". • Strap: Black leather, often with a lizard or alligator pattern. • Crown: Features a blue cabochon, which is a signature element of Cartier watches. In good vintage condition. Had some wear as seen in pictures. Not sure the age as I bought it secondhand. Does not come with original papers. I believe the watch band is original Cartier