The Casio G-Shock GM-B2100SD-1A is the refined full-metal upgrade of the iconic CasiOak series. It packs a stainless-steel octagonal case, sapphire analog-digital module powered by Tough Solar, and Bluetooth smartphone linkall in a slim 12.8-mm profile with improved contrast grey dial and silver accents.
| BRAND | Casio |
| MODEL | GMB2100SD-1A |
| UPC CODE | 889232381640 |
| DEPARTMENT | Watch |
| CATEGORY | Watch |
| GENDER | men |
| MOVEMENT | Quartz: Battery |
| WATER RESISTANCE | 200 Meters / 660 Feet |
| CASE DIAMETER | 45.9 mm. |
| CASE MATERIAL | Stainless steel |
| CASE COLOR | Silver |
| DISPLAY TYPE | Analog & Digital |
| CRYSTAL MATERIAL | Mineral crystal |
| BEZEL | Stainless steel |
| STRAP MATERIAL | Stainless Steel |
| STRAP COLOR | Silver |