This is a listing for a GA-1000-1AJF. 【Manufacturer】Casio 【Model Number】GA-1000-1AJF 【Color】Black 【Condition】Battery dead. *It was working fine before the battery died. 【Contents】Watch body, instruction manual ★I do not have any pets, and I am a non-smoker. Product Description Introducing the G-SHOCK Master of G "Gravitymaster," which incorporates the opinions of pilots and features functions as a full-fledged aviation watch. It has evolved in both function and design for pilots who need various information in harsh environments. In terms of functionality, it is equipped with a direction sensor. In situations with poor visibility, such as in fog or clouds, it can memorize the direction you are heading and display that direction graphically with the bearing memory function. Also, continuous direction measurement for 20 seconds is possible with a single push of the large button on the 9 o'clock side. Furthermore, a temperature sensor is also included to check the environment of the runway and inside the aircraft. In terms of design, it is particular about visibility, and it adopts a face design that is easy to read information, combining a large dial, three-dimensional Arabic numeral indexes, and wide hour and minute hands. Also, considering visibility at night, it is equipped with a neon illuminator. The hands, indexes, and scales emit different colors, allowing you to correctly read each piece of information. This is the Gravitymaster, which has evolved with multiple functions as an aviation watch. ● Shock-resistant structure ● 20-bar water resistance ● World time: 48 cities worldwide (31 time zones, with summer time setting function) + UTC (Coordinated Universal Time) time display, home time city replacement function ● Direction measurement function ・Measures 16 directions, angle of direction (0~359°) ・Continuous direction measurement (20 seconds) ・Bearing memory (memorizes the angle of direction and a graphic indicating the recorded direction) ・Magnetic declination correction function ・Direction correction function ● Temperature measurement function: -10~60℃ ● Stopwatch ● Timer ● 5 daily alarms (with 1 snooze function) ● Battery warning function ● Operation sound ON/OFF switching function ● Date/day of the week display ● Full auto-calendar ● Neon illuminator (auto light, afterglow function)