This is the Omega series. how much is it?

I don't know. Constellation series women's watch, Omega constellation series, with its famous "Griffes" and eye-catching dial, shows a lasting and charming design concept. This watch is equipped with a blue mother-of-pearl dial with a ripple pattern extending from the iconic "claw". The dial is decorated with 1 1 diamond hour markers, and there is a calendar window at 3 o'clock. The 27mm fine steel case is equipped with a diamond bezel and a fine steel bracelet. This timepiece is equipped with Omega 8520 coaxial movement.