An early 20th century diamond watch bangle, circa 1907 The circular white dial with Roman numerals and blued steel hands, within an old single-cut diamond double row surround, between tapered shoulders set with old brilliant and single-cut diamonds, to a knife-edge bar hinged bangle, winder deficient, inside case with UK import mark, London 1907, sponsor's mark AB, numbered (Inner diameter: 6.0cm)