Cartier A platinum and diamond-set open face pocket watch, circa 1930. Dial white enamel with black Roman numerals and blued steel moon hands. Movement manual winding, 18 jewel movement with eight adjustments. Case brushed platinum slim case with diamond-set rim. Case number 15496/10240. Dimensions gross weight approximately 53 grams, 45 mm diameter. Signed dial signed Cartier, movement signed European Watch & Clock Co. Inc. Swiss. Provenance: Fine Jewellery, Bonhams & Goodman, 29 June 2009, lot 153, illustrated. Private Collection, Sydney, acquired from the above