The Casio G-Shock G-Squad GBA-900-1A6 is a robust analog-digital smartwatch for men, featuring a durable resin case and band, along with mineral glass for enhanced scratch resistance. With a water resistance of 200 meters, it is suitable for professional marine activities and surface water sports, combined with shock resistance for extreme conditions. Bluetooth connectivity enables mobile link functions such as lifelog calculation, user profile creation, and hand shift for better readability. The black dial with luminous hands, dual LED lighting, and display of day, date, and dual time zone in 12 or 24-hour format ensures clear readability. Additional features include a 1/100-second stopwatch, countdown timer, alarms, hourly chime, battery warning, fully automatic calendar, and airplane mode. The case measures approximately 51 mm in diameter, 17 mm in thickness, with a band width of 27 mm, and uses a secure pin buckle for a comfortable fit during active use.