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