17. Cartier. Belle montre de gousset Art Déco à cadran ouvert en platine (950) et onyx sertie de diamants remontoir au pendant Cartier. A fine Art Deco platinum and onyx keyless wind open face pocket watch with diamond set band Date: Circa 1920 Movement: Jewelled manual wind Dial: Guilloché engraved silvered, black minute track with Arabic numeral 5 minute markers, blued steel hands Case: Polished round, diamond set band, snap on back, gold Roman numeral hour markers to bezel Signed: Dial Size: 49mm - Gross Weight: 44,65g Accompaniments: Box