Casio G-Shock MRG-B5000B-1

The glass is sapphire with an anti-reflective coating, and the watch is fully shock-resistant and water-resistant to 200 meters (20 bar). It measures 49.4 x 43.2 x 12.9 millimeters and weighs approximately 114 grams. The case, case back cover, and buttons of the MRG-B5000 are made of the lightweight and strong Ti64 titanium alloy. The band is made of DAT55G titanium, which is about three times harder than pure titanium. The bezel top is made of Cobarion, a cobalt-chromium alloy with a hardness about four times that of pure titanium and a shine that is comparable to platinum. The Cobarion and DAT55G materials are made in Japan. (“Cobarion” is exclusively manufactured by Eiwa Co., Ltd. and is a registered trademark of the Iwate Industrial Promotion Center. “DAT” is a registered trademark of Daido Steel Co., Ltd.) Like other MR-G models, the MRG-B5000 is made exclusively at the Premium Production Line at the Yamagata Casio factory in Japan.