Omega Launched its Constellation Globemaster, the 1st timepiece branded With all the “Learn Chronometer” designation, in 2015. Watches using this accolade — which now comprise the lion’s share of Omega's output — have not only aced the tests demanded for COSC chronometer certification but have been subjected to a different, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/