Omega Released its Constellation Globemaster, the first timepiece branded With all the “Grasp Chronometer” designation, in 2015. Watches using this type of accolade — which now comprise the lion’s share of Omega's output — have don't just aced the checks demanded for COSC chronometer certification but are subjected to another, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/