Art Deco Diamond and Platinum Cocktail Manual Wristwatch, circa 1930

An Art Deco diamond and platinum cocktail wristwatch, with a white, round dial, with black Arabic hand painted numerals, within a ring of minute markers, with blue steel hands, with an eight-cut diamond set surround, with millegrain edges, with a baguette-cut diamond, in rub over settings, at the top and bottom of the face, in a round, two part platinum case, the shoulder strap terminals are set with eight-cut diamonds, in a geometric Art Deco design, of two links, joined to the case with baguette-cut diamonds, the crown winder is marked with a letter A, inside is a Swiss, 17 jewel, manual wind movement, the inside of the case is marked with "all platinum Bristish made", repair or service marks: 2561, B14(or6)269AT50, B5886/55, 8364/1A2, on a black woven, double cord strap, with plain, platinum clamps and an eight-cut diamond set platinum clip clasp, circa 1930.