Jewellery, Watches, Antiquities and Objects of Vertu

An early 20th century open face diamond set pocket watch, the silvered dial with black Arabic numerals and subsidiary seconds dial, jewelled lever escape movement, the white precious metal case unmarked, the girdle of the watch and of the suspensory loop set with single-cut diamonds, the crown set with a cabochon blue sapphire, with unfitted case, signed ‘Alex R Clark Co. Ltd., Shanghai’, watch diameter 42mm. £800-£1,000