The Check out is gorgeous but substantial, using the shape of the CK 2998 Speedmaster and turning it into a 45mm extensive and 17.37mm thick beast of a look at balanced out by a lovely aventurine dial and bezel and around the Sedna Gold bracelet, the Speedmaster Chrono Chime weighs https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/