First come first Casio CASIO High Brightness LED Watch served! [Genuine] G-SHOCK GD100GB-1

Size: W51.2 x H48.6 x D17mm Weight: Approx. 72g For men and boys Arm circumference: Maximum approx. 20cm Material: Stainless steel back cover x plastic resin (case) plastic resin (belt) Warranty period: 1 year manufacturer's warranty (excludes monitor battery, exterior deterioration during use, water intrusion, and drop damage) Accessories: G-SHOCK case, warranty, instruction manual ≪Specifications≫ Structure/Performance Shock-resistant structure (shock resist) Inorganic glass Water resistant to 20 ATM Multi-time: You can register 4 different cities and switch the display or change the city World time: 48 cities around the world (31 time zones, with daylight saving time setting function) + UTC (coordinated universal time) time display, home time city replacement function Stopwatch (1/100 second, 24 hour meter, with split) Timer (set unit: 1 second, maximum set: 24 hours, measured in 1/10 second increments) 5 time alarms (one-time alarm/daily alarm switching function), time signal Fully automatic calendar 12/24 hour display switching Operation sound ON/OFF switching function LED backlight (with auto light function, super illuminator, afterglow function, afterglow time switching (1.5 seconds/3 seconds)) Sound alarm flash function (alarm/hourly signal, timer time up, light linked to alarm sound) Average monthly difference: within ±15 seconds Battery life: Approximately 7 years