Ch. F. Tissot & Fils, Locle, Swiss, circa 1930. Fine and elegant 18K gold and enamel, square, Art Deco, keyless dress watch. Three-piece square, polished, the bezels with black champleve Art Deco foliage enamelled decoration, the back engraved with a monogram. Engineturned frosted gold with bold Arabic numerals and sunk subsidiary seconds. Blued steel Breguet hands.