Casio Mod. Prj-B001b-2Er Official Box Product Description: The Casio Pro Trek PRJ-B001B-2ER is a lightweight and versatile outdoor watch, designed for adventurers and urban explorers alike. Featuring a durable bio-based resin case and a unique bungee-cord cloth band, this timepiece ensures comfort and adaptability in various environments. Its innovative rotary guard bezel allows for seamless switching between styles and protects the buttons from accidental presses. With Tough Solar charging and Bluetooth connectivity, the PRJ-B001B-2ER offers reliable performance and smart functionality on the go Key Features: Movement: Solar-powered quartz (Module No. 5732) Case Material: Bio-based resin Case Dimensions: 50.3 × 46 × 13.6 mm Weight: 37 g Band: Bungee-cord cloth strap Water Resistance: 100 meters (10 bar) Glass: Mineral glass Display: Analog-digital hybrid Functions: World time (38 cities + UTC) 1/100-second stopwatch Countdown timer (