The Observe is lovely but significant, using the shape in the CK 2998 Speedmaster and turning it right into a 45mm vast and 17.37mm thick beast of the view well balanced out by a lovely aventurine dial and bezel and over the Sedna Gold bracelet, the Speedmaster Chrono Chime weighs https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/