The Check out is stunning but large, getting the shape with the CK 2998 Speedmaster and turning it right into a 45mm extensive and 17.37mm thick beast of a watch well balanced out by a wonderful aventurine dial and bezel and over the Sedna Gold bracelet, the Speedmaster Chrono Chime https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/