This innovative Pro Trek watch uses Casio's advanced SMART ACCESS system, which provides you with quick, intuitive access to all of the watch's key functions using an electronic crown. It features a 51mm case on a black Silicone strap with buckle closure and water resistant up to 100 meters. Click on this JEWELRY & WATCHES GUIDE to learn about fit, styles, materials and more! - https://www.kohls.com/feature/jewelry-guide.jsp#watches. FEATURES: Atomic timekeeping: automatically receives radio signals to precisely adjust time & calendar, Day & date subdials, Automatic calendar, 12/24-hour formats, Bidirectional-rotating bezel, Dual time display, Countdown timer, Battery power indicator subdial, Power-saving function, Altimeter, Digital compass, Low temperature resistant, Shock resistant, Lap counter & lap memory, Water resistance: 100 meters. DISPLAY: Face cover material: mineral crystal, Illumination: EL backlight. CASE: Material: resin, Caseback material: stainless steel, Waterproof screw-down caseback. BAND: Band type: strap, Material: silicone, Clasp: buckle, Lug width: 14 mm, Band length: 145 mm - 205 mm. DETAILS: Movement: quartz, Power: solar, Water resistance: 100 meters, Packaging: boxed, Warranty: manufacturer's 2-year limited, For warranty information please click here - https://cs.kohls.com/app/answers/detail/a_id/140, Model no. PRW6600Y-1A9. Size: X Large. Gender: male. Age Group: adult.