The Casio G-Shock GM-B2100GD-5ADR combines a full-metal stainless steel case, bezel, and band with the iconic octagonal design of the original 1983 DW-5000C. Its screw-back construction enhances durability and impact resistance, while the slim analog-digital module offers advanced functions in a comfortable, compact profile. Bluetooth connectivity enables seamless smartphone pairing for precise timekeeping via the dedicated app, blending classic style with modern technology for a sophisticated, reliable timepiece.