For sale, a used Casio watch with all its accessories. It shows signs of use but is in excellent condition. Specifications: The G-SHOCK sports line introduces the DW-H5600 series, designed for daily life. It features an optical sensor for heart rate monitoring and an accelerometer for step counting, supporting running, walking, and sports. It also enables training analysis, sleep recovery analysis, breathing exercises, and blood oxygen level measurement. The bezel and band are made from eco-friendly biomass-derived plastic. Additionally, it uses a high-definition, easy-to-read liquid crystal display. It supports USB charging and solar charging, enhancing usability. Weight: 65 grams Case and bezel material: Resin (biomass) / Stainless steel Band: Resin band (biomass plastic) Structure: Shock-resistant structure Water resistance: 20 ATM Power source and battery Charging system: Dedicated charging cable (requires a device with a USB Type-A port) Solar charging system (time display is powered by solar charging alone even when the battery is low *1) *1 Charging under fluorescent lighting (500 lux) for about 8 hours a day indoors, and charging by a window (10,000 lux) on a sunny day for 2 hours a week. Sensor function Activity tools: Multi-sport (running, walking, etc.), calculates and displays distance, speed, pace, etc. using an accelerometer, auto/manual lap function, auto-pause function Training analysis function: Cardio load status Activity log data: Up to 100 laps, up to 200 laps each, calculated time, distance, pace, calories burned (energy source used), heart rate, maximum heart rate, cardio load, pitch, maximum pitch, steps Wrist heart rate measurement function: Measurement range (30 to 220 bpm), target heart rate setting function, heart rate zone graph display, heart rate variability graph, maximum heart rate, minimum heart rate Sleep measurement: Sleep recovery status (6 levels), sleep recovery level display, sleep status (5 levels), sleep score range (1 to 100, unit: 1), sympathetic nervous system score range (-10 to +10, unit: 0.1) Blood oxygen level measurement * Breathing exercises: Set range (2 to 20 minutes, in 1-minute increments), biofeedback, time spent in zone summary Step measurement: Steps measured by a 3-axis accelerometer; step count display range (0 to 99,999 steps); step count is automatically reset at 00:00 daily Active time measurement: Measures the time spent moving your body based on activity analysis (still/walking/running/cycling/not wearing/unspecified) using proprietary algorithms Lifelog: Steps taken, graph of steps taken (weekly, monthly, 6 months), calories burned, active time Step reminder function New price: 1400 SAR Negotiable price