The Seiko 5 SRPD55K2 is perfect for active people who love outdoor adventures or water sports. You can wear it while swimming, diving, or hiking. The watch is not too big, with a case diameter of 42.5mm and a thickness of 13.4mm, so it's comfortable to wear on your wrist. It's also suitable for those who want a reliable and stylish automatic watch with useful features like water resistance and luminescent hands.