Additional Details ------------------------------ Product description: G-SHOCK has created a new concept of toughness in watches. It all started with a developer's heat belief that creating a watch that won't break even if dropped, and a challenge that overpowers the common sense of the time. STRENGTH. Aim for strength ahead. G-SHOCK, the challenge never ends. Specifications: Shock resistant construction (shock resist) Carbon core guard construction 20 ATM water resistant World time: 48 cities worldwide (31 time zones, daylight saving setting function) + UTC (Coordinated Universal Time) Stop watch (1/100 seconds (less than 1 hour) / 1 second (more than 1 hour), 24 hour meter, split included) Timer (set unit: 1 second, maximum set: 24 second. Measure in seconds) 5 Hour Time Alarm Double LED Lights: LED light for dial (super illuminator, afterglow function, afterglow time switch (1.5 seconds/3 seconds), LED backlight for LCD parts (super illuminator, afterglow function, afterglow time switching (1.5 seconds/3 seconds), LED: White full auto calendar operation tone on/off, 12/24 hour display accuracy: ± 15 seconds per month. Needle shift function ( If the needle overlaps with the LCD display, you can temporarily move the needle away from the LCD display.) Directions: Shock resistant construction; Water resistant to 20 ATM. Hand shift function (When the hands overlap the LCD display, the hands can be temporarily evacuated from the LCD display). World time: 48 cities around the world (31 time zone, daylight saving setting function) + UTC (Coordinated Universal Time). Stopwatch (1/100 second (less than 1 hour) / 2 hour). 4 hour meter, split Includes timer (set unit: 1 second, maximum set: 24 hours, 1 second increments). 5 time alarms, hourly time signal. Full auto calendar. 12/24 hour display switch. Operation sound on/off switch. Double LED light: LED light for dial (super illuminator, afterglow function, afterglow time switch (1.5 seconds/3 seconds). LED light for LCD parts (super illuminator). Minitor, Afterglow Functions, afterglow time switching (1.5 seconds/3 seconds) included; Case Size (Length x Width x Thickness): 1.9 x 1.8 x 0.4 inches (48.5 x 45.4 x 11.8 mm); Weight: 1.8 oz (51 g)