sentences:  The Rolex Sea-Dweller deepsea watch case has a diameter of  mm and a thickness of (domed crystal thickness ), and the case and bracelet weigh .Other features which came with the Deepsea at 2008 was the ""Ringlock System"" for sealing the sapphire crystal to the case, a caseback made of titanium/steel alloy, the ""Glidelock-clasp"" and diver extension link, ""maxi-dial"", engraved rehaut, ceramic bezel with platinum-filled numbers, calibre 3135 with antimagnetic "Parachrome-Blue"-hairspring and blue ""Chromalight"" loom.The first variant of Sea-Dweller Deepsea reference 116660 has a classic black dial with white text on the dial.