The Casio GM-2110D-3A1ER is a G-SHOCK watch featuring a shock-resistant structure with a metal bezel and band. It offers 200-meter water resistance and includes functions such as world time, stopwatch, countdown timer, and five daily alarms. The watch is equipped with a double LED light for enhanced visibility in low-light conditions. The case measures 49.3 × 44.4 × 11.8 mm and weighs 146 g. The dial is dark green with silver hands and indices, and the bracelet is made of stainless steel with a one-touch 3-fold clasp. The reference number for this model is GM-2110D-3A1ER.