Up for sale is the iconic first-generation Omega Seamaster Planet Ocean 600M Co-Axial "XL" 45.5mm (Ref. 2200.50.00)
Introduced in 2005, this reference is widely considered a modern classic in the Omega dive watch lineage. Featuring the timeless black aluminum bezel and crisp white Arabic numerals (12, 9, 6), this 45.5mm execution delivers immense wrist presence without sacrificing versatility.