The Chinese company Xiaomi introduced Xiaomi quartz watch I8, which work on a single charge for 5 years.
Also this watch is protected from moisture, so they can dive to a depth of 50 meters. This clock is made from a steel housing and can withstand a pressure of 5 atmospheres. Xiaomi I8 is supposed to go on sale in late may.
The dial is covered with sapphire crystal which protects the watch from scratches and damages. On one charge the battery in your watch Xiaomi I8 running for 5 years, and they can function at any temperature.
The classic model has a dial size of 36mm and a weight of 50 grams, and costs $ 63 (1600 hryvnias). Available another version of clock with a dial 41 mm and weighs 60 grams. However the cost of this model is still unknown.