The ETA 2892-2 forms the base for the ML58. It is a 26 jeweled automatic movement with blued steel screws, Incabloc shock protection, polished steel pallet and escapement wheel. Glucydur balance, Nivarox-1 balance spring, Nivaflex-1 mainspring. It features a Big Date indicator with two independently rotating disks, plus a small seconds at 6. Luminous numerals and index marks.
Maurice Lacroix has been making fine Swiss timepieces since 1975. The company's passion for detail is shown especially in the extremely elaborate and sophisticated watch dials and finely decorated and finished movements, some of which are enhanced with additional intricate complications.