The Seiko 5 Sports SBSA045 Automatic JDM Watch is perfect for those who love sports and need a reliable timepiece. Whether you're swimming, hiking, or just going about your daily routine, this watch can keep up with you. It has a water resistance of 100m, so you don't have to worry about getting it wet. The target users are sports enthusiasts, professionals, and anyone who appreciates a well - made watch. In terms of size, the case is 40mm horizontally, 11.5mm thick, and 44.6mm long, making it a comfortable fit on most wrists.