Omega Constellation Pie Pan Calendar Automatic Chronometer 168.005 vintage watch

in great condition, triple Omega signed Constellation with Pie Pan dail !
Constellation Calendar Automatic chronometer certified
Reference CD 168.0005
Movement Type: Automatic chronometer certified
International collection 1962
Caliber number: 561
24 jewels, created in 1958
Central sweep-second hand
Functions: Date, Chronometer
Case: Gold-cap on stainless steel
Case back: Screw-in
Dial: "Pie-pan" type, De Luxe version with hand-rivetted gold hour markers and "Dauphine" gold hands
Crystal: Armoured hesalite
Bracelet: Leather
vintage watch