battery life: 5 years on CR2016

Atomic Timekeeping Technology with Synchronized Time Adjustment Available in 43 World Cities

CRYSTAL: Anti-Reflective Mineral Crystal - Impact and shatter resistant - anti-reflective coating deflects light

Perpetual Calendar

digital backlight display

G-Shock • DW5600HR-1 • Men's Watch Color:Black battery life: 5 years onPart of the G SHOCK Black x Red Heritage Color Series featuring three of G SHOCK's most notable cases in both digital and analog digital styles. All three models feature a unique layered band accented in a rich red colorway that plays off the red highlights of the case and dial. FEATURES Shock Resistant 200 Meter Water Resistant EL Backlight with Afterglow Flash Alert Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time