The Seiko Presage SARX065 Riki Watanabe JDM Watch is perfect for watch enthusiasts who appreciate fine craftsmanship. Whether you're attending a formal event or going for a swim, this watch is up for the task. With a case diameter of approximately 39.9mm and a thickness of about 12.4mm, it's a comfortable fit on the wrist. Its white enamel dial and mechanical self - winding mechanism add a touch of sophistication, making it a great addition to any collection.