Omega Constellation Automatic Chronometer Day-Date – Cal. 1021 (Hacking) – Rare Vintage Offered for sale is a vintage Omega Constellation Automatic Chronometer Day-Date, a rather uncommon execution powered by the highly regarded Omega calibre 1021 with hacking seconds, officially certified chronometer. The watch features a stainless steel C-case, typical of the 1970s Constellation line, paired with its original Omega stainless steel bracelet. 34x40 mm case Condition: The watch has been worn and shows visible signs of use on the case, bracelet and dial, consistent with its age. The crystal is in good condition and retains the original Omega logo. The dial was restored in the past – the frame surrounding the day/date window is not original, clearly visible in the photos and fully disclosed for transparency. Functionality: The watch is in excellent mechanical condition, runs smoothly and keeps very good time, with deviations of only a few seconds per day. Day and date functions operate correctly. Technical details: • Automatic movement • Omega calibre 1021 • Chronometer certified • Hacking seconds • Day-Date complication • Swiss Made Overall, this is a very attractive vintage Omega Constellation, combining strong wrist presence with an excellent movement, making it a beautiful and collectible timepiece. Included: original Omega red velvet pouch (vintage).