Whatever you're doing, wherever you are - the G-Shock Master of G line has your back. For total support in the harshest environments, this Gravitymaster watch delivers peak performance in punishing conditions in air. It features bold black to exude toughness and a band in the same bright yellow used for emergency rescues and safety signs. This innovative design is a sure fit for the world of professionals involved in rescue efforts and other critical missions. The form of the Gravitymaster GRB300RY is inspired by next-generation aircraft and rendered with a seamless exterior design. The Carbon Core Guard structure and wide 3D face deliver durability, readability, and a comfortable fit. Enjoy all the practical functions as well, including dual time simultaneously showing the time in two cities, a flight log memory function for recording routes travel, and more. This tough watch delivers what you need to make quick decisions and take decisive action in the harshest of environments. Style #GPRH1000RY1A