OMEGA 'Centenary' chronometer very rare 18k yellow gold gents wristwatch, Switzerland around 1948, bumper automatic, special edition on the occasion of 100th Omega Jubilee 1848 - 1948, forerunner of Constellation, in very small quantity manufactured, see book 'Reise durch die Zeit' written by Marco Richon, page 259, 3-piece construction case, snap on case back & bezel, gold-dial, gold Dauphine-hands, lyra-shape lugs, copper coloured calibre JUB 30.10 RA PC, 17 jewels, screw-balance, diameter approx. 35 mm, Omega leather strap with Omega buckle in 18k yellow gold later, condition 2-3