Upgraded Men's LED Multi Function Digital 100m Sports Diving Watch Silicone Band Synthetic-sapphire Window Imported Hour, minute, second, Month, date, Day of week, Hourly chime, Chronograph, Alarm AM/PM & 12/24 hour format, Countdown timer, Dual Time Zone Shock proof & anti-static Silicone BandSynthetic-sapphire Window 10 ATM water resistant, EL backlight