■Brand: CASIO G-SHOCK (Casio G-SHOCK) ■Product model number: GBD-800-8GMD-B800-4 (overseas model) ■Quartz (formula) ■About exchange: Possible at the watch department of a mass retailer or your local watch store It is a 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, target notification ( (Target time) can be set up to 10 times (Set unit: 1 second, maximum set 23 hours 59 minutes 59 seconds) Timer: Timer for interval measurement that can set up to 5 times (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)) ・Lifespan: Approximately 3 years *If not linked to a smartphone, the normal 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