An 18ct gold and diamond set lady’s wristwatch, by Concord, with signed rectangular pavé set diamond and mother o’ pearl dial, quartz movement, the case with brilliant-cut diamonds set bezel, reverse stamped ‘18k’ and numbered ‘51.90.665.OM, 956368’, to an integral polished track link bracelet strap, clasp stamped ‘750’ and ‘CWC’, wristwatch length 16.5cm. £1,800-£2,000