Omega Planet Ocean 600 pays tribute to the brand diving history, diving depth reach 600m! 45.5mm titanium watch case, chronograph function! Sand-blasted grade 5 titanium dial, world's first grey silicon nitride ceramic bezel! Full set, purchased from European Authorized Dealer, watch from April 2018! Omega official warranty until April 2022! Almost brand new, user only worn a few times! Never been polished! Function properly!