The Excellence Régulateur Lapis-Lazuli captures the mesmerizing cerulean blue of daybreak—that magical moment between darkness and dawn. This timepiece showcases a striking Yves Klein blue face, crafted from genuine lapis lazu li, a metamorphic stone revered for its silicate-flecked beauty and association with tranquility. Throughout history, this ultramar i ne pigment was valued above gold itself. Louis Erard brilliantly merges modern design with horological mastery, creating a watch t ha t unites geological wonder with mechanical precision—the perfect embodiment of accessible luxury watchmaking that ventures boldly be yond convention.