■Brand: CASIO G-SHOCK ■Product model number: GBD-800-8GMD-B800-4 (overseas model) ■Quartz (battery operated) ■About battery replacement: Watch departments at mass retailers or your local watch store This is a possible model. ■Belt adjustment: Buckle/hole through. This is a customer-adjustable belt. ■Waterproofness: Water resistant to 20 ATM ■Features: - Inorganic glass - Shock resistant structure (shock resist) - Case/bezel material: Resin - Resin band - Mobile link function (function linked with compatible mobile phone via Bluetooth communication) - Step count measurement Functions - Step count display range: 0 to 999,999 steps - Goal achievement rate display (Target step count setting range: 1,000 to 50,000 steps, in 1,000 step increments)・Step count graph (displays the number of steps per hour in 6 levels for 7 hours) ・Step indicator display ・Power saving function (automatically puts the sensor into sleep mode to save power if there is no movement for a certain period of time) ・Dual time (with time swap function with home time)・Stopwatch (1/100 second (less than 1 hour) / 1 second (more than 1 hour), 24-hour meter, with lap/split, memory for up to 200 measurement data (measurement month, day, hour, minute, lap/split) time), target time notification function, up to 10 target notifications (target time) can be set (set unit: 1 second, maximum set 23 hours 59 minutes 59 seconds))・Timer: Timer for interval measurement with up to 5 time settings (set unit: 1 second, maximum set: 60 minutes, measurement in 1 second increments, auto repeat, auto start) ・5 time alarms ・Time signal ・Full Auto calendar ・12/24 hour display switching ・Operation sound ON/OFF switching function ・LED backlight (with auto light, super illuminator, afterglow function, and afterglow time switching (1.5 seconds/3 seconds)) ・Battery life: Approximately 3 years * Normal when not linked to a smartphone Operates with quartz accuracy (average monthly difference of ±15 seconds). ・LED: White (Image: Left side) ■Case size (H×W×D): 54.1×48.6×15.5mm ■Mass: 59g (Image: Right side) ■Case size (H×W×D): 50.7×45.2× 15.5mm ■Mass: 52g ■Brand exclusive BOX ■Warranty period: 1 year CASIO G-SHOCK G-SHOCK, a popular brand that is gaining popularity all over the world, has continued to evolve without end. Structure, material, function. Pursuing greater toughness from every aspect. Strong all the way. Aiming for strength beyond that. G-SHOCK's challenges never end. -------------------------------------------------- -------------------------------------- Introducing G-SHOCK's sports line. It is useful for managing your daily health and improving your physical fitness, with a step counting function using a 3-axis acceleration sensor, a multi-timer with up to 5 x 20 sets, and a lap memory of up to 200. In addition, by linking with the app, you can easily create training menus and record your activities, such as step count log with 5 levels of exercise intensity, calorie calculation, target step count...