Seiko 5 Sports Field watch is heavily inspired by heritage military watches, and it’s evident in the no-frills look and durable materials used. Take this one - it’s made with a stainless steel case and no-nonsense taped strap, as well as coming with handy features like a day-date display, LumiBrite technology and 10 bar water resistance. Stainless Steel Case, Nylon Strap, LumiBrite Technology, Automatic Movement, Date Feature, 10 Bar Water Resistance. Seiko 5 Sports Field Automatic Day Date Watch Black