Louis Erard Excellence Chronograph 42 mm, polished, anti-reflective sapphire glass both sides with functions Chronograph / Moon Phase / Day / Date / Month / 24 hours indicator and 5 Bar Water-Resistance. The Collection that marked Louis Erard's 80th Anniversary captures the core values of the brand more than ever before. Neo-Classicism, Exclusivities and Mechanical complications prevail. Functionality-Multifunction Movement-Automatic