Casio PRO TREK PRW-2500T-7 mountaineering watch, equipped with six radio receivers in the world, provides accurate time information, and can set five alarm clocks at the same time. At the same time, the meter also has the function of detecting temperature, altitude, air pressure, azimuth and other parameters. It is waterproof and suitable for 200 meters underwater. It uses a full titanium case chain, which can withstand the harsh climate of - 10C Celsius. It is light in weight and is not easy to cause allergic reactions. The 48mm solar power dial can absorb sunlight or weak light source and convert it into electricity and store it in the battery. Even without ultraviolet radiation, it can still operate for 5 months. It has a large LCD screen surface with good identification. In addition to digital display, it also has multi-function graphics such as moon phase and tide map.

At present, the price of this watch on Amazon is 262.43 dollars, about 1600 yuan. Compared with 3359.00 yuan is much cheaper.