It might have helped had you shown the 3 side of the case. Some Omegas with the tiny button on the side of the case, involve pushing the button IN, and HOLDING it in for 5 seconds. Then release and immediately press again, holding it pressed it. With many Omegas of the era, the hands with revolve at about 20 rpm of the minute hand. When you get close to the right time, release the button, then immediately press and release as the minute hand moves ahead, one minute per press. Hopefully, these instructions work for your watch.