Cartier Santos - Dumont ref WGSA0077 18ct gold wristwatch, dial: blue satin-brushed dial with sunray effect, Roman numerals. Calibre: quartz. Case: 18ct gold case back secured with four screws. Serial number: 4532 106489DY. Case number: WGSA0077. Closure: blue alligator-skin strap, 18ct gold ardillon buckle. Dimensions: 43.5 x 31.4 mm case. Signed: case, dial, movement, band and buckle. Accessories: original box, Cartier warranty card and instruction booklet.