Casio G-Shock Smart Mens Watch The new GBA-900 introduces a new design and module build together with enhanced fitness tracking features, packed into an eye-catching shock resistant case. 24Hr Display: Y Depth: 16.6 MM Height: 51.3 MM Width: 48.9 MM Case height (in cm): 5.1 Case Length (in cm): 4.9 Case Shape: Round Case Width (in cm): 1.7 Fastening Type: Strap Buckle Glass: Mineral Movement: Japanese Quartz (battery) Strap Material: Silicone Water Resistant: Y Bluetooth Connected LED Light Training Function Training Data Log World Time Countdown Timer Stopwatch Function 5 Daily Alarms Auto Calendar 12/24 hour format