Living Up To G-Shock’S Reputation For Big Case Designs, Comes A Revolution In Case Size With The Introduction Of The X-Large Ga100-1A1. This Ana-Digi, “Three-Eyed” Monster Measure In At A Whopping 55 X 51.2 X 16.9Mm Size, With An Attention To Detail, That Is Second To None. Large Anti-Skid Buttons Provide Easy Operation, Embossed Indexes Gives A 3-D Look And A Rivet Bezel Design Adds Strength To Its Overall Appearance. The Ga100-1A1 Has Become A Staple In The Ever Expanding G-Shock Family.