Eterna watch adventic date how do eterna watches embody a sense of superb craftsmanship into each and every masterpiece that they bring to life the answer is quite simple they do it via a set of scientific methods and expert technique the designers at the head quarters of eterna apply their learned skills and knowledge gained over the last century and a half into their superb design ethos each timepiece must be exquisitely finished and must deliver a set of promises to their dedicated inves