Ah, so this was the first Omega to be powered by the 2500 co-axial. I've heard they can be tricky to service but the ones I've owned have been excellent. As has any watch
After the Limited Editions. They came in steel and red gold on leather or this bracelet. There were three versions, time and date, as seen here, a GMT and a power reserve. The former measuring 37.5mm, the latter two 38.7mm. This first Co-Axial movement wa...