Grade 5 titanium is employed for the crown, helium escape valve (a part more symbolic than useful today), and the uni-directional bezel body. It features a dark grey composite case crafted from silicon nitride ceramic – denoted as, visibly marked on the back of the upper left lug – and incorporates several titanium elements. However, it introduces a fresh blend of materials. The Dark Grey iteration maintains the distinctive design of the Planet Ocean GMT, echoing the dimensions of the black ceramic version at a substantial 45.5mm in diameter and 17.4mm in height – not to mention a sizable L2L measure at over 51mm.
Our hands-on time with this beauty of the beast provides some insights, and here’s our report. Now, pushing it further, the new Dark Grey GMT version elevates the experience with monochromatic elegance, a novel case material, and titanium-crafted movement components. In 2015, Omega expanded this collection by introducing the Planet Ocean 600M Deep Black GMT, featuring a black ceramic case and a traveller’s complication. Seamlessly marrying the functionality of a tool watch with the style of a luxury timepiece, the Seamaster Planet Ocean 600M series has become a standout in the realm of modern dive watches. The Omega Seamaster Planet Ocean 600M dive watch collection, introduced nearly two decades ago, has established itself as a symbol of robust case construction, impeccable water resistance, and high-performance movements.