Popular models of Seiko 5, like the SNK809, SNXS79, and SRPD55, show the Seiko 5 build quality. You have no limit because you can choose the Seiko 5 watch from military, classic, and diver-style. Most of the Seiko watches, like the 7S26 or 4R36 models have built-in movements. Most of these watches have the ability to show the day and date.