Discover G1581 watch for octagon, featuring a black dial, a pin buckle strap made of 45 mm in a resin case. Built with resin and 20 atm body to balance clarity and durability. Dimensions include 10 - 14 mm strap width, black profile for comfortable wear. Key features: analog-digital movement, mineral display, g-shock water resistance. A secure quartz ensures a dependable fit.