These Watches Are Designed And Engineered To Become Partners Of People Who Like Their Activities Rough And Rugged.Major Features Include Four Large Bezel Screws And Protruding Surfaces That Divide The Form Of The Watch Into Six Sections For A Fashionable Design. Buttons Are Among Some Of The Largest Available In The G-Shock Lineup For Easy Operation.Low-Temperature Resistance Allows Operation Even Under Very Cold Conditions, While Moon And Tide Graphs Provide Essential Information For Marine Leisure Enthusiasts. Large Lcd Divided Into Sections To Make Information Easy To Locate And Read.