This digital timepiece W218H-18 with a bold sporty design, provides practical functionality. This model is equipped with a 7-year battery, 50 meters water resistance and LED light functionality so you can always be able to tell the time, even in complete darkness. Specifications: - 44.4 x 43.2 x 10.88mm Case Size - 37g Weight - Resin Case, Bezel and Band - Approx battery life 7 Years on CR2016- 50 Meters Water Resistant - Resin GlassWatch Feature:- Stopwatch - Alarm - LED Backlight: Amber - Calendar (to Year 2099) - 12/24-hour format - Regular timekeeping: Hour, minute, second, pm, date, day - Accuracy: ±30 seconds per month