. . . a Brit . . . . . . in So Cal. Omega references CK2179 for the US Army and UK2292 for the RAF. Steel vs alloy, 35 mm vs 33, radium vs blued hands - but both powered by a 30T2SC movement. Different on the outside, brothers in. And that's the way it sh

Well known as the Ranchero, the 2990-1 was in his first version a Seamster. Same case, same caliber (30T2), different dial. This 2990 is really a pleasure on the wrist. 36mm, great white dial and a pair of "Dauphine" hands, sporty & classic. A perfect siz

identify my Omega wrist watch by its movement number only? Movement 10.340.023 16 Jewels I thought in was the US ARMY Ref. CK2179 caliber 30 SC T1 or 2. But no US ARMY stamped on case back. Inside Case Reference number is 2179 - 4. Now I think it is eithe

Hi and thank you for the extra information on this Father's Day. Based on what you write I must go with this 30T2SC 16J NOT being US ARMY because it does not have US ARMY stamp on the back. And the inside the case, Case Reference is 2179 - 4, i.e. NOT "21

.. all steel cases were engraved with a unique casing' serial #, which system was consequently changed into a 4-digit (at the period - later more digits) ref. #. For gold cases this change-over took place in 1956. On the picture below are three non-magnet