Glass: SapphireCase: Matt polished case, case back and buckle, mirror polished crown, control buttons and bezelStrap: Genuine leatherStrap size: 22 mmCase size: 46 mmWR: 50 m Limited edition: NoThe special AChS-1 watch is a legend of Russian aviation.
The AChS combines an ultra-reliable design, resistance to pressure from severe G-forces/fluctuating temperatures, convenient ergonomic engineering.The easy-to-read luminous dial and watch hands make it easy to interpret at a glance no matter how dark it is. Functions: hours, minutes, small second, central stopwatch, 30 minutes counter, 12 hours counter.0 BLACK MATT For decades, these timepieces have been installed in almost every kind of Russian aircraft and helicopter, including the following: Tu-95MS, Tu-22M3, Tu-160, Il-76, Su-24, Mi-171, Mi-8, Ansat, Mi-38, Mi-28, Ka-52.