Omega Constellation Calendar Pie Pan Automatic Chronometer cal 561 gold on steel vintage watch

Nice vintage Constellation "Calendar" with Pie-Pan dail ! 

Triple Omega signed: glass, crown and movement 

Croco Omega strap 

Gold on steel 

Reference: 14393 - 61 sc. 19068112 

International collection 1960 

Movement Type: Automatic chronometer certified 

Caliber number: 561 created in 1958 

24 jewels 

Central sweep-second hand 

Functions: Date, Chronometer 

Case back: Screw-in 

Dial: De luxe, with hand-rivetted gold hour markers and gold "dauphine" hands 

Crystal Armoured hesalite