Although synthetic sapphire technology has been born in 1902, it is complicated in craftsmanship, and it is very difficult to produce pure sapphire of large size. Hublot made a perfectly colored sapphire case by heating aluminum oxide and chromium (or iron) at the same time, thus launching the first blue (red) transparent sapphire case watch in the history of watchmaking in the world. Among them, the red model (model: 411.JR.4901.RT) has a case size of 45 mm and is made of polished red sapphire. The gemstone has a Mo-type hardness of up to 9, which is quite outstanding in terms of daily wear and scratch resistance. The dial also uses a resin hollow dial to match the case. Equipped with the HUB1242 UNICO self-winding flyback chronograph movement developed by Hublot.High quality Chinese replica Hublot Big Bang watches online.
The raw material alumina and transition metal chromium are heated to 2000 to 2050 degrees Celsius, and then crystallized into a perfect colored sapphire, while retaining all the original characteristics of the sapphire material, including super abrasion resistance, high hardness and complete transparency. Hublot's technology created the colorful sapphire material and was the first colored sapphire watch in the history of watchmaking. The crown and chronograph buttons are made of black ceramic and black-plated titanium. The sandwich structure of the watch case is divided into the bezel, the upper part, the middle part and the lower part of the watch case, which is convenient for replacement after damage. Smoked rubber transparent lining strap with black ceramic and black-plated titanium folding clasp. Resin hollow dial, the outer rim of the dial, hour markers, Arabic numerals, hour/minute hands and the colors of the sapphire echo. The 3 o'clock position is the small seconds dial and date display window, and the 9 o'clock position is the chronograph minute dial. Although the dial is hollowed out, the color embellishment makes the reading clear at a glance.Best China
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