The Check out is gorgeous but enormous, using the shape of the CK 2998 Speedmaster and turning it into a 45mm vast and 17.37mm thick beast of the watch well balanced out by a wonderful aventurine dial and bezel and about the Sedna Gold bracelet, the Speedmaster Chrono Chime weighs https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/