Last year, Rolex launched Oyster Perpetual GMT-Master II with blue and black ceramic bezels in Basel, which was the first two-color ceramic bezels and surprised to everyone. In 2004, Rolex published larger-scale contemporary significant watch – Oyster Perpetual GMT-Master II with red and blue ceramic bezel .
We always have expectation of Rolex in Basel. Though Rolex isn't involved in complicated watch area, it can still surprise us for the technology.
It looks like the new Oyster Perpetual GMT-Master II in 2014 just changing the color, but it is hard to imagine the effort they made. When we released the "blue and black bezel" last year, we have said no one had managed to discover a way of manufacturing a watch component in high-technology ceramic with bulk coloring in two distinct colors, no one before Rolex. There had bigger problem to "red and blue bezel" this year, red is an extremely difficult color to obtain and an unusual color for ceramic, then found a way to modify the chemical composition of each grain, and change the color of half the insert from red to blue, while ensuring a sharp delineation between the two colors. Rolex Cerachrom bezel unveiled in 2005, offering exceptional scratch and corrosion resistance. Its colors are unaffected by ultraviolet rays. 24-hour index in ceramic bezel is coated with a thin layer of platinum via a PVD.
In addition, new Oyster Perpetual GMT-Master II has been upgraded in material, the case and bracelet adopt 18 k platinum other than the previous style. The interior still adopted in-house self winding Cal.3186, provided date and GMT function, GMT hand circled the dial once every 24 hours. It is clearly to read the time.
