Showcasing the manufacture's in-house Métiers Rares expertise, the haute-horlogerie piece unites a radiant Grand Feu enamel dial, elevated by a hand-guilloché sunray pattern of 180 lines, with the ultra-thin Calibre 978 tourbillon.
Two stainless-steel executions and a rare gold edition with onyx dial debut at the Geneva Watch Days 2025. New is also the improved power reserve of the manufacture movement.
Zenith and USM bring together horology and modular design in a capsule edition that channels the creativity of the 1960s. The Defy Chronograph USM fuses architectural aesthetics with the precision of the legendary El Primero movement.
