[Machine Translation] It is equipped with convenient functions such as dual time and stopwatch, and comes with LED lights and a battery life of approximately 10 years. [Specifications] / Case size (H x W x D): 44.1 x 40 x 11.5 mm / Weight: 28 g / Case and bezel material: resin / Band: resin band / Water resistance: water resistant for daily use / Power source used and battery life: approx. 10 years *The battery pre-installed in the watch is a monitor battery to check watch functions and performance. The battery pre-installed in the watch is a monitor battery to check the functions and performance of the watch. Exterior, glass, plastic glass (surface shape: spherical or curved) / Watch functions, world time, dual time, stopwatch (1/100 second, 24-hour counter, with split), multi-alarm (with snooze switch function), time signal, light: LED backlight (with afterglow function), light color: LED : Green, Fully automatic calendar, Accuracy : Average monthly difference 30 seconds / Other Functions : 12/24-hour system indication changeover