The OMEGA Aqua Terra Chronograph Co-Axial with reference 231.90.39.21.04.001 is a striking timepiece.. Originally sold in  2017, this model features a titanium case and bracelet, paired with a white dial and iconic hands. It is equipped with OMEGA's advanced Co-Axial movement, ensuring exceptional precision and durability. Accompanied by its original box and papers, this watch offers both authenticity and a connection to OMEGA's storied heritage, making it a prized possession for collectors and enthusiasts.