■Brand: CASIO G-SHOCK ■Product model number: GBD-800-1B/GMD-B800-4 (overseas model) ■Quartz (battery operated) ■Function: [Common] ・Inorganic glass ・Shockproof structure (Shock resist) ・Case/bezel material: Resin ・Resin band ・Mobile link function (function linked with compatible mobile phone via Bluetooth communication) ・Pedometer measurement function・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) ・Steps 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 that can be set to 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, afterglow time switching (1.5 seconds/3 seconds))・Battery life: Approximately 3 years *If not linked to a smartphone, it will operate with normal quartz accuracy (average monthly difference of ±15 seconds). LED: White [GBD-800-1B] ■Case size (H×W×D): 54.1×48.6×15.5mm ■Mass: 59g [GMD-B800-4] ■Case size (H×W×D): 50.7×45.2× 15.5mm ■Mass: 52g ■Brand exclusive BOX ■Warranty period: 1 year CASIO G-SHOCK/Baby-G CASIO, 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. -------------------------------------------------- -------------------- [GBD-800-1B] Mid-sized design suitable for running and training, with Bluetooth communication function and dedicated application, it is suitable for sports scenes. Introducing models who are active in athleisure, including . [GMD-B800-4] As a new product of the shock-resistant watch G-SHOCK , GMD-B800 is born, which is equipped with a step count function and a timer for interval measurement, and is compact and easy to wear. [Note] *This product is shipped as it is received without adjusting the time. Thank you for your understanding.