Pre-owned, vintage Omega Constellation Ultra-Thin Chronometer Watch. Reference 167.021. Overall, this watch is in great condition for its age. Minor scratches and dings can be seen on the sides of the case, bracelet, lugs, and bezel. Some specks as well as a light patina can be seen on the dial. This watch runs great and still keeps time within it's original Chronometer Certification specs. 

- Ref No. : 167.021
- Serial No./Year: 27081388 -/- 1969
- Case:
    33mm diameter, 19mm lug width, 9.6mm thickness, 39mm Lug-to-lug.
    Stainless Steel
- Crystal: Plexiglass/Acrylic
- Movement & Accuracy: 
    Caliber: Omega Chronometer Grade Cal. 712 Auto
    Complications: N/A
    Measured Accuracy: +/- 0 sec/day.
    Amplitude: 279°
    Beat Error: 0.0ms
    Beat Rate: 19,800A/h
    Power Reserve: 48hrs
- Band: Replacement Omega Stainless Steel Bracelet (110.12) Will Fit ~7.25" Wrist
- Water Resistant: Vintage WR Rating
- Condition Rank: Good: Watch is in great condition for its age. Minor scratches and dings can be seen on the sides of the case, bracelet, lugs, and bezel. Some specks as well as a light patina can be seen on the dial. This watch runs great and still keeps time within it's original Chronometer Certification specs. 
- Country of Manufacture: Switzerland