This Casio G-Shock GM-2100BB-1AER watch boasts an iconic 2100 design enhanced with a steel-covered carbon casing for unbeatable strength. It features a subtle stealthy all-black look and is equipped with an LED backlight, stopwatch, timer, and world time functionality. The watch has a black resin strap, mineral glass, and is water-resistant up to 200 meters. Additional features include a 12/24 hour format, alarm function, auto-calendar, countdown timer, date and weekday display, and shock resistance. Brand: G-Shock Case Size: 49.3 x 44.4 x 11.8mm Dial Colour: Black Function: Digital Glass Type: Mineral Glass Strap Colour: Black Strap Material: Resin Supplier Code: GM-2100BB-1AER Type: Watch Manufacture Warranty: 2 Years Watch Movement: Digital Quartz Water Resistancy: 20 ATM Special Features: 12/24 Hour Format, Alarm Function, Accuracy +/- 15 seconds per month, Auto Calendar, Countdown Timer, Date and Weekday Display, Display Illumination, Stopwatch