G-Shock G-SHOCK GD120N-1B4 watch by Casio. Shock Resistant. 200M Water Resistant. Auto LED Backlight (Super Illuminator). Multi-time (4 different cities). World Time. 5 Independent Alarms (one-time or daily). Hourly Time Signal. Flash alert. Countdown timer. Full Auto Calendar (pre-programmed until the year 2099). 12/24 Hour Formats. Button operation tone on/off. Accuracy: ±15 seconds per month. Battery: CR2025. Approx. battery life: 7 years. Module 3427. Imported.