Limited Edition of 178 Pieces. Louis Erard Excellance Le Regulateur Louis Erard x seconde/seconde/ 85237AA61.BVA31. Louis Erard puts its iconic regulator back into play and gives carte blanche to the rising star of ultimate customization, seconde/seconde/. Funny, clever and mischievous, his designs command attention and serve as a reminder that watches are not only functional. They must still tell the time, of course, and in the most beautiful way possible but watches are also a marker of identity, an object that looks at us.