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