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the inventor of the technique is Eric Grippo [ R&D Ceramic Manager at ROLEX SA ] and the Patent assignee is Rolex SA itself. The youtube marketing video can be viewed here: The patent in summary is for the following: According to this process for manufacturing a ceramic element intended to be f

Chromalight is exclusive to Rolex and its relationship to SuperLuminova is unknown to me. However, i have noticed the “Swiss Made” designation on the dial is still the same so it is assumed that it is a form of LumiNova? No? but it is very bright indeed. best experienced in a dark movie theatre! def

this is what the watch looks like in total darkness. The lume has been charged by shining a diving torch over it for a few moments (Underwater Kinetics eLED light cannon, 825lumens, 10 seconds) Rolex Submariner illumination shot (blue!) You can see that the lume is so bright that it is reflected off