Discover K1R21130 watch for rectangular, featuring a black dial, a pin buckle strap made of 41 mm in a silicone case. Built with stainless steel and 3 atm body to balance clarity and durability. Dimensions include 21 - 30 mm dial size, 10 - 14 mm strap width, black profile for comfortable wear. Key features: mineral display. A secure quartz ensures a dependable fit.