Omega Launched its Constellation Globemaster, the very first timepiece branded Together with the “Master Chronometer” designation, in 2015. Watches with this accolade — which now comprise the lion’s share of Omega's output — have not simply aced the assessments essential for COSC chronometer certification but are already subjected to another, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/