CARTIER, Baignoire, Ref. 7809 Ladies' wristwatch. Oval, fluted, and curved yellow gold (750) case; white enamel dial with painted Roman numeral hour markers; blued steel hands; signed. The crown set with a sapphire cabochon. Caliber 78-1 manual-winding mechanical movement, signed. Screw-down case back, signed and numbered 780945400, hallmark. Unsigned green lizard leather strap, signed yellow gold (750) folding clasp, hallmarked. Included are 3 replacement straps (sky blue, black, and red) signed Cartier, and a fourth unsigned bright red replacement strap. Case dimensions: 32 x 24 mm. Gross weight: 30.1 g. Excellent condition, minimal signs of wear. Comes with a presentation box and international warranty card.