WR: 20 ATM - Case: 55 mm - Gender: Men - Case Material: Carbon & Resin - Strap Material: Resin - Movement: Solar - Functions: Multifunction - Glass: Mineral - Product Type: Wristwatch Product Description: The Casio G-SHOCK GR-B300-1A4ER is a robust timepiece designed for aviation enthusiasts, combining advanced technology with a durable build. Key Features: Case Material: Carbon Core Guard structure with bio-based resin, offering enhanced strength and sustainability.Case Size: 59mm x 54.7mm x 15.7mm.Dial: Analog-digital display with high-brightness LED light for readability in low-light conditions.Functions:Bluetooth connectivity for automatic time adjustment and smartphone link features.Tough Solar power system, ensuring continuous operation without battery replacements.Flight log memory function to record date, time, and location data.World time with dual-time display for simultaneous viewing of two time zones.1-second stopwatch with a measuring capacity of up to 24 hours.Countdown timer and 5 daily alarms.Water Resistance: Up to 200 meters (20 ATM), suitable for professional marine activity and serious surface water sports.Shock Resistance: Engineered to withstand impact and vibration.Strap: Black bio-based resin band with a secure buckle closure.Additional Details: Features a seamless design inspired by next-generation aircraft, providing both functional beauty and durability. This watch embodies G-SHOCK's commitment to quality and innovation, making it an ideal companion for both everyday wear and aviation adventures. SpecificationValueWR20 ATMCase55 mmGenderMenCase MaterialCarbon & ResinStrap MaterialResinMovementSolarFunctionsMultifunctionGlassMineralProduct TypeWristwatchPackagingOfficial Box