G-Shock Ga100Mb1ACR G-Shock Tactical Black Stainless Steel Bezel 145-215mm G-Shocks Most Popular Large Case Analog/Digital Series introduces a Matte Black Watch, The Ga100Mb-1A. The Face And Band Are Matte Black With Green accents Which Highlight The Toughness And Coolness Of G-Shock. Color: Black Size: 145-215mm Material: Stainless Steel Bezel