Description
Aviation watch AChS-1;B "Designed to display the current time in hours, minutes and seconds, as well as to count the flight time of an aircraft in hours, minutes and seconds. The watch consists of mechanisms for the current time, flight time and a stopwatch (60 minutes). The dial signs and hands are covered with phosphorescent material temporary action (under UV lighting). Specifications Duration of operation of the clock after the spring is fully wound: ≥ 3 days Accuracy: ± 20 s/day Number of stones: 25 Dimensions: 85x91.4x91.4 mm Operating temperature range: +60°С, -60°С Watch winding frequency: once every two days Vibration strength: at acceleration 2 g (20m/s²) is provided in the frequency range 18…144 Weight: 655 gr