Developed specifically for hard-core divers, you can expect a lot of things from the Rolex Oyster Perpetual Sea-Dweller DEEPSEA. This timepiece can function even at unbelievable depths in the sea. With its water-resistance of up to 3,900 meters, it is one of the most technologically-advanced watches available today.
Of course, this amazing feature required innovative feats of engineering. Its designers decided to base the timepiece on the Ringclock system, a patented Rolex case structure that can resist water pressure at extreme depths. It involves putting a high-performance ring made from nitrogen-alloyed stainless steel between the case back and the crystal (known as the middle case). Produced from 904L steel, the middle case plays a big part in helping the watch resist colossal pressure underwater.
Another notable component of the patented system is the use of synthetic sapphire crystal. If you think that the crystals of other Rolex Oyster watches are thick, the slightly-domed crystal placed on the Rolex Oyster Perpetual Sea-Dweller DEEPSEA is even thicker. Meanwhile, the case back of this timepiece is manufactured with titanium alloy which is held in place by the above-mentioned steel ring.
In addition, this Oyster watch is also powered by the caliber 3135 for durability and chronometric precision. Overall, you are guaranteed an extreme-performance watch in the form of the Rolex Oyster Perpetual Sea-Dweller DEEPSEA.