Do you have four Omega constellations for sale?

What you want to ask is that the fourth generation of Omega constellation is still on sale? Yes

According to Baidu Encyclopedia, although the fourth generation of the new Omega constellation basically withdrew from the counter after the listing of the fifth generation, it is still available in the second-hand market and other off-site stores.

Omega constellation series is the most recognizable fashion watch series in the world. Omega constellation series, as a masterpiece of Swiss watches, has become a star watch with its award-winning accuracy.