The Seiko Prospex SRPK01K1 is a perfect watch for men who love diving and outdoor activities. With its 200m water resistance, you can wear it while swimming or diving. The watch has a 45mm case diameter and 13.2mm case thickness, which is a comfortable size for most wrists. Its 41-hour power reserve means you don't have to worry about winding it often. It's a reliable and stylish timepiece for any adventure.