Eterna watch artena it is the quietly confident features of the eterna artena model which makes it so special the brand have perfected the guilloche technique to add a touch of finesse to their creations a wheel turning method to create highly intricate detailing to the dial eterna watches ensure that the members of their artena collection remain stylish from every angle we love the unique dimensions of this timepiece a sleek 40mm companion dressed in sophisticated silvers to accentuate th