In addition to the bezel this model is DLC hardened on the band crown button back cover etc. to improve wear resistance - The main metal parts (outer bezel band back cover) are made of titanium material to achieve both strength and lightness. - The base model PRX-8000 is the only person in Japan developed by taking the advice of Mr. Hirotake Takeuchi of PRO TREK ambassador who went through the 8000m peak of 14 seats that are world-famous. - Under the harsh conditions at the top of the 8000m peak the time and measured values are the most important information so the black dial has a large white index and hands that are easy to see. - Other indications are arranged and colored so as not to stand out making it easier to understand the time and measurement data of the LCDIn addition in order to make it easier to recognize the time even under low oxygen conditions and bad weather where the consciousness is obscured the index shape at 12 o'clock as an index is characterized and an arrow is also stamped on the base of the band - Furthermore the hour and minute hands with different shapes which are made larger by carbon material and the double phosphorescent treatment are applied to the index making it easier to recognize the time even at night and supporting activities under extreme conditions. - Double-lock one-push three-fold type dome with an adjustment mechanism that can easily adjust the length of the band without using a special jig so that the band can be worn from the top of the inner glove. Adopt - In addition the range of motion of the joint mechanism that connects the band and the case has been expanded to facilitate attachment and de..