Omega Constellation Pie Pan 168.005 caliber 565 Chronometer Movement: Chronometer, runs and keep time (not serviced) Plexi: good dial: original, marked (see pictures) Case: good Crown: non original Bracelet: no bracelet I also own a service bill of 1970 for this watch. Price: 760$ (shiping and paypal fees included)
Caliber 561 you are right of course !!! I never opened this watch this caliber number is wrote on the service bill of 1970.