Someone has to be first. This is true even for watches. It is fascinating how timepieces, made from hundreds of tiny, individual moving parts, can keep reaching new world premieres, world records and the world’s best performances. We’ve collected a list of ten of the world’s rarest, ultimate, highest achievers. Watches never seen before, which can do something unique like monitor the current phase of the moon, or have zero gravity, or are simply a cut above the rest.