A Sterling Silver "Tank" Wristwatch, Must de Cartier, 21.00 x 20.00 case dimensions excluding lugs, white dial signed must de Cartier with secret signature at 7 o'clock, blued steel hands, synthetic sapphire set crown, case back affixed by four screws, quartz movement, dark blue strap signed Cartier, silver tone tank buckle.Accompanied with an additional back strap and red suede sleeve signed Cartier.