Casio G-Shock x GA-B010 Series ft. Dynamically Bold Men Sports Round 200m Water Resistant Watch GA-B010-1A1 GAB010 GA-B010 Discover the G-Shock GA-B010 series, a solar-powered analog-digital watch with a built-in step tracker that syncs via Bluetooth. This eco-friendly timepiece features a large case, metallic finishes, world time, and uses bio-based resin for its durable construction. Module / Movement 5736 (Tough Solar aka solar powered) Power Reserve / Accuracy Approximately 5 months when fully charged (+/-15 seconds per month without mobile link function) Crystal Mineral crystal Light Double LED light (full auto LED light, super illuminator, selectable illumination duration, afterglow) Case / Band Material Bio-based carbon / bio-based resin case with bio-based resin band Water Resistance 200m / 20 bar Case Size Thickness: 15.2 mm Diameter: 49.3 mm Length: 52.3 mm Lug width: Integrated Other Specifications Casio G-Shock x GA-B010 Series ft. Dynamically Bold Shock resistant World time (38 time zones, daylight saving on/off, auto summer time switching, home/world time city swapping) 1/100-second stopwatch (up to 24 hours, elapsed time, lap time, split time) 1-second countdown timer (up to 24 hours) 5 daily alarms Hourly time signal Full auto-calendar (to year 2099) Button operation tone on/off Power saving (display goes blank to save power when left in the dark) Battery level indicator Hand shift feature (hands move out of the way to provide an unobstructed view of digital display contents) 12/24-hour format Day display (days of the week selectable in six languages) Regular timekeeping (analog-digital display) Smartphone Link / App Connectivity Features Mobile link (wireless linking via Bluetooth) Easy watch setting Auto time adjustment (approximately 300 world time cities) Life log data App information Time and place Phone finder Enhanced Features and Functions Step counter (0 to 999,999 step count display range) Step goal progress display (1,000 to 50,000, 1,000-step increments) Step reminder (inform you when step count is too low via display and beep) Step indicator