The crystalline oxide also boasts reduced electronic conductivity which, coupled with Omega’s METAS-certified 15,000 gauss resistance, means the Deep Black is damn near impervious to magnetic fields. As an added benefit, ZrO 2 is extremely resistant to just about everything from acids to alkalis, as well as the oxidizing effects of both fresh and seawater. However, ceramics born of ZrO 2 are tougher than most: the phase transformation of zirconium dioxide under stress actually makes it less brittle and highly resistant to fracture, so much so that it has found favor in the dentistry industry, ostensibly for the likes of hockey players. This trait is only amplified when the pressures of depth enter into the equation, especially those around the 600m mark. Unlike the metals usually employed for bottom time wristwear, such as stainless steel or titanium, ceramic won’t accumulate nicks and dings, though unfortunately certain types do have a propensity to shatter if hit hard enough. This is not typically a preferred medium for dive watch construction - aside from bezels, really - due largely to its hardness and lack of malleability. That means that, similar to Omega’s Dark Side of the Moon Speedmaster and IWC’s Top Gun line of pilot watches, the Deep Black’s case material is ceramic. Its pinnacle achievement is only revealed if you look very closely and at the right angles.Įtched stealthily on the dial, just below the post holding its four hands (and again on the lugs) are the letters ZrO 2, the symbol for zirconium dioxide.
But neither of those features has anything to do with what makes the Deep Black truly special. It sports a helium release valve at the 10 o’clock marker. The dial of the Deep Black boasts of its GMT complication and an impressive depth rating. Like the Mercedes AMG badge, the Omega’s performance cues are there. Even a 45mm beast like the Omega Seamaster Planet Ocean Deep Black can sneak up on you. BMW’s M5 has always been a sleeper, and the Mercedes E63 AMG Wagon is the ultimate of the breed. These wolves in sheep’s clothing lay low and hide amongst herds of average. In the automotive world, we call them sleepers: cars that pack warp-speed performance beneath an unassuming exterior.
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