The G-Shock GD100GB-1 Black and Gold Watch combines style with durability for the modern adventurer. With a case size of 55 × 51.2 × 17.4 mm and weighing 72g, it offers a robust yet comfortable wear. Crafted with a resin case, band, and bezel, it withstands shocks and boasts water resistance up to 200 meters. Powered by a long-lasting CR2025 battery, it delivers up to 7 years of reliable use. The watch features mineral glass for scratch resistance and multi-time world time functionality covering 31 time zones and 48 cities. Key features include a stopwatch, timer, and 5 daily or one-time alarms, with a flash alert and LED backlight for visibility in any condition. The full auto-calendar extends to 2099, with a mute feature for button operation tone control. Accuracy is ensured at ±15 seconds per month, with both 12 and 24-hour formats available. Enjoy precise and stylish timekeeping with the G-Shock GD100GB-1 Black and Gold Watch.- 55 × 51.2 × 17.4 mm- 72g Weight- Resin Case, Band and Bezel - Shock Resistant- 200 Meters Water Resistant - Approx. battery life: 7 years on CR2025- Mineral Glass- World time: Multi Time (4 different cities) 31 time zones (48 cities coordinated universal time), daylight saving on/off, Home city/World time city swapping- Stopwatch- Timer- Alarm/hourly time signal: 5 alarms (daily or one-time)- Flash alert: Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time up alarm- LED backlight: Auto light switch, selectable illumination duration, afterglow.- Calendar: Full auto-calendar (to year 2099)- Mute feature: Button operation tone on/off- Accuracy: ±15 seconds per month- 12/24-hour format- Regular timekeeping: Hour, minute, second, pm, month, date, day