Limited Edition of 99 Pieces. Louis Erard Watch Excellence Email Grand Feu Limited Edition 34237AA54.BVA38. The coming together of the most exquisite traditional Grand Feu enamel craftsmanship and fine contemporary watchmaking. For the very first time, Louis Erard is incorporating an artistic craftwork; and this is only just the beginning. This is an achievement which comes with a message: making one of the most exclusive traditional crafts of all times accessible.