The star on the dial indicates the Teddington model as the wristwatch that carries the same movement that was awarded a prize as the most accurate ever at Teddington ObservatoryOmega Calibre 30t2, hand-wound, from 1940's In 1940, Omega was awarded the best result in history at the Teddington Observatory for a wristwatch and you can now own the very same king of movement. Visit an authorized dealer and pick your Teddington model and you will then own the officially certified watch! Old mushroom crown but non with omega emblem. 36mm (excluding crown) Leather strap after fabricate, 18mm wide and 23cm long Steel case Dial has been professionally restored Original metal 10/9 condition. Watch has been serviced and is ready to use Does not include box or documents Registered, insured shipping by DHL/FEDEX/UPS fast and safe.