Omega, Constellation, Calendar, "Pie-Pan", "Onyx", ca 1966. Case size: 34,5 mm Material: 18K gold Movement: automatic, caliber 564 Year: circa 1966 Crystal: plastic crystal Bracelet: leather strap Reference number: BA 168.0005 Serial number: 24'768'103 Case number: 168.005/6 Accompanied by: box Defect quickset date. Overall, the watch is in good vintage condition with scratches on the case and crystal commensurate with its age and use. The movement is running at the time of cataloguing, Bukowskis does not guarantee the future function of the movement. Please note that the movement has not been tested for timekeeping accuracy and may need a service at the buyer's expense. Watches have been opened to examine movements therefore no warranties are made that the watches are water-resistant. Potential buyers should inspect each watch to satisfy themselves as to condition. For more information, please read our Conditions of Purchase.