Casio G-Shock ANALOG-DIGITAL 2100 Series GA-2100-1A

Inspired by the iconic first-generation DW-5000C, this G-SHOCK digital-analog timepiece carries forward the legendary octagonal bezel design while introducing a slimmer, more refined profile. Built with a Carbon Core Guard structure and a high-rigidity carbon-reinforced resin case, the watch achieves an impressive thickness of just 11.8 mm without compromising G-SHOCK's renowned durability. The minimalist design combines rugged toughness with everyday versatility, while practical features such as world time, stopwatch, countdown timer, multiple alarms, and dual LED illumination make it an ideal companion for modern lifestyles. Lightweight, durable, and instantly recognizable, this model represents the evolution of G-SHOCK's original toughness concept. SKU: GA-2100-1A Basic Information Case Size 48.5 × 45.4 × 11.8 mm Weight 51 g Case & Bezel Material Carbon / Resin Band Resin Band Construction Shock Resistant, Carbon Core Guard Structure Water Resistance 200-meter water resistance Glass Mineral Glass Compatible Band Size 145 to 215 mm Battery Life Approx. 3 years on SR726W × 2 Functions World Time 31 time zones (48 cities + UTC), daylight saving on/off Stopwatch 1/100-second stopwatch with elapsed, split, and 1st-2nd place times Countdown Timer 24-hour countdown timer Alarm 5 daily alarms and hourly time signal Light Double LED Super Illuminator with afterglow Calendar Full auto-calendar (to year 2099) Accuracy ±15 seconds per month Special Features Hand Shift Feature, Mute Function, 12/24-hour Format Timekeeping Analog: Hour, Minute, Day Dial Digital: Hour, Minute, Second, PM, Month, Date