Constellation

Omega's chronometerChronometerA watch or movement certified for timekeeping precision under a defined testing standard. The applicable certification depends on its maker and period; it is not the same as a chronograph. flagship, launched in 1952 as a series-made successor to the 1948 Centenary. Every vintage Constellation carries a certified chronometerChronometerA watch or movement certified for timekeeping precision under a defined testing standard. The applicable certification depends on its maker and period; it is not the same as a chronograph. movementMovementThe working mechanism inside a watch or clock. and the Geneva Observatory medallion on its caseback. Known for 1950s–60s pie-pan dials, Gérald Genta's C-shape case from 1964 and the claw-set Manhattan of 1982.