The Seiko 5 Automatic 21 Jewels SNKL43K1 SNKL43K Stainless Steel Men's Watch is a professional-grade timepiece with a case that has been meticulously crafted and a durable, high-quality mechanism. This Seiko Men's Watch is ideally suited for persons who wish to wear timepieces on a daily basis. It is 30 meters water resistant, features an automatic movement with 21 jewels, and displays both the date and the day of the week. With a diameter of 37 millimeters and a thickness of 11 millimeters, this watch is appropriate for medium-sized wrists. Free Shipping in the USA. Use coupon code BCD10 and get 10% off on this Seiko Watch.