This Seiko 5 sports watch is ideal for both sports enthusiasts and daily wearers. Whether you're swimming, running, or just going about your day, it'll keep up with you. With a 43mm case diameter, it has a bold presence on your wrist. It's powered by an automatic movement, so you don't have to worry about constantly changing batteries. And the 100M water resistance means you can take it into the water without a second thought.