The Seiko Prospex Solar Chronograph SSC813P1 is perfect for sports enthusiasts and outdoor adventurers. You can wear it while running, swimming, or hiking. With a case diameter of 39mm, thickness of 13.3mm, and length of 45.5mm, it's a comfortable and stylish fit. Its solar - powered system means you don't have to worry about frequent battery changes, making it convenient for your active lifestyle.