ART DECO LADIES' WATCH In platinum, the case partially set with diamonds embellished with lines of calibrated sapphires, dial with light grey background and Arabic numeral hour markers. Hand-wound mechanical movement signed U.S.A.W. Co Swiss, serial no. 6999. The bracelet has openworked articulated links set with diamonds. Plexiglas glass. Circa 1930. A platinum and diamond lady's wristwatch, mechanical movement. Circa 1930. RC : Accidental safety chain. Length: 18 cm. Gross weight: 23.2 g (Pt - 950).