Small differences in the recent Seamasters posted presents the need for details. This model has the reference number 166.002, differing from 166.001 having white gold hour markers on the dial and steel hands as opposed to the other model´s yellow gold dial indexes, Omega logo and hands. This T-SWISS MADE-T watch has been fully serviced (Sep 2020) and comes with 12 months watchmakers warranty. The dial is perfect, as are the hands. All lume is present and intact. It has been pressure tested to 3ATM, and being a nice exception to the rule that vintage watches are not waterproof, this one is! Original parts are there, Omega logo can be found on the crystal, crown, on the inside and outside of the caseback and of course on the beautiful movement.It is a very nice example, but you should know a thing about it: The case has scratches. The diameter of the “SGR” case is 34,5mm, and the serial number 21877xxx dates it to ca 1965.