A ruby and diamond watch, mid 20th century, of padlock design, set with circular-cut diamonds, the

A ruby and diamond watch, mid 20th century, of padlock design, set with circular-cut diamonds, the central panel of calibré-cut rubies opening to reveal a square silvered dial with black enamel indicators and blued steel hands, to a brick link strap, mounted in platinum and white gold, case width 2.2cm, bracelet length 17cm, manual winding movement