The Seiko 5 Automatic 21 Jewels SNK355 SNK355K1 SNK355K Stainless Steel Men's Watch is a Seiko men's watch with a reasonably nice appearance. This one, which has a stainless steel case, is a good contender for a stainless steel bracelet and an automatic movement case. They are resistant to water up to a depth of 30 meters and have a case diameter of around 37mm and a case thickness of roughly 11mm. This watch's hands and markers light up in the dark, making it easy to read the time in the dark. In addition, this watch features a day and date display. The watch's durable construction makes it a great option for everyday wear. Free Shipping in the USA. Use coupon code BCD10 and get 10% off on this Seiko Watch.