The GA-2100 debuted in 2019 as the original “CasiOak,” with an octagonal bezel and Carbon Core Guard resin, and at 11.8 mm thick became the slimmest G-Shock ever. The GA-B2100, released in 2022, adds Tough Solar and Bluetooth while preserving a 48.5 × 45.4 mm case and an 11.9 mm thickness, weighing about 52 g.…
Read more
