While at first glance the Tetra may seem like ‘simply’ a square version of the Tangente, there are actually a few other changes that give this watch its own personality. Did you ever notice the change in the numerals, or the Art Deco’esque stepped lugs?The reference 408 has a case of 29.5*29.5mm and is fitted with a stainless steel case back. Reference 406 is identical save for its sapphire crystal case back.
