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) 20 ATM water resistant double LED light world time: 48 cities around the world (31 time zones, daylight saving setting function) + UTC (Coordinated Universal Time) 1/100 second stopwatch timer time alarms 5 alarms / full auto calendar 12/24 hour format: average monthly difference ± 15 seconds