| Brand | G-SHOCK |
| Model No. | GM-2100BB-1AJF |
| Case Shape | Octagonal |
| Windshield Material | Mineral Glass |
| Display Type | Ana-digital |
| Clasp | Tongue Buckle |
| Case Material | Resin |
| Case Diameter/Width | 44.4 millimeters |
| Case Thickness | 11.8 millimeters |
| Band Material/Type | Resin |
| Band Size | 145mm-215mm |
| Band Width | 25.9 millimeters |
| Band Color | Black |
| Dial Color | Black |
| Bezel Material | Stainless steel |
| Bezel Function | Fixed bezel |
| Calendar function | Date and day of week |
| Other Functions | World Time |
| Weight | 72 g |
| Movement | Quartz |
From the G-SHOCK line of toughness watches that has continued to evolve in pursuit of insatiable strength since its launch in 1983, this model is based on the Metal Covered series and is finished entirely in black.
The black IP metal bezel is a chic and fashionable design that can be used for a wide range of purposes.
The base model is the GM-2100 with octagonal bezel.
The all-black coloring makes for a cool design that can be used in a wide range of applications.
