22. Cartier. A very fine and rare extra-thin platinum and 18K white gold manual wind wristwatch Model: Santos Dumont Reference: 1575 Date: Circa 1990 Movement: 18-jewel Cal.021MC manual wind Dial: Silvered textured, black Roman numeral hour markers, black outer minute track, secret signature at 7, blued steel pointed baton hands Case: Brushed and polished square, back secured by 4 screws, cabochon set crown, 8 screws to bezel, No.C17974 Strap/Bracelet: Black faux alligator leather Buckle/Clasp: Signed 18K white gold folding clasp Signed: Case, dial & movement Size: 27mm x 36mm Weight: 47,39g