the circular coin case 34mm diameter and featuring HM Queen Elizabeth the Queen Mother on the obverse and her Royal coat of arms on the reverse together with the date 4th August 1980, opening to reveal a hinged watch of approximately 23mm diameter with a champagne dial signed Garrard, black Roman index and hands, hand-wound movement with a crown at 1 o'clock position, case back stamped '18K', with '750' and numbered '13/80', total weight 34.6 gms, with fitted box signed Garrard & Co

Produced to Commemorate the 80th Birthday of HM Queen Elizbeth the Queen Mother, in a Limited Edition of 80 pieces of which this is number 13.