The Casio G-Shock GA-2100-1ADR is a sleek and modern analog-digital watch known for its slim profile and iconic octagonal design. Featuring a matte black resin case and strap, this watch incorporates Casio’s advanced Carbon Core Guard structure for exceptional durability while remaining lightweight and comfortable on the wrist. It offers full G-Shock toughness including shock resistance and 200-meter water resistance, making it ideal for both everyday wear and rugged environments. The dual display includes analog hands and a digital screen, providing features such as world time, stopwatch, countdown timer, five daily alarms, auto-calendar, and a double LED light for improved visibility in low light. Its minimalistic yet bold aesthetic, inspired by the legendary DW-5000 series, has earned it the nickname "CasiOak" among watch enthusiasts. Combining form and function, the GA-2100-1ADR is a versatile timepiece perfect for those who value both style and performance.