SRPK35K1 Seiko Sports Automatic Watch 38mm Caliber 4R36. Automatic clock, with calendar and weekly. Diving specific bezel. Hardlex glass. Seiko's 4R36 automatic movement is designed to position Seiko firmly in the quality mechanical watch market. A small gentleman's sports watch, a graduation watch, automatic of proven quality. SRPK35K1 Seiko Sports Automatic Watch 38mm Caliber 4R36. Automatic clock, with calendar and weekly. Diving specific bezel. Hardlex glass. Seiko's 4R36 automatic movement is designed to position Seiko firmly in the quality mechanical watch market. A small gentleman's sports watch, a graduation watch, automatic of proven quality. New 38mm diameter case in the Seiko 5 Sports SKX Series collection with 3 color variations, black, white and green. It can be the perfect gift for the little ones in the house in their communion. The new Seiko 5 Sports is inspired by five decades of success and its design is based on one of Seiko's most beloved sports watches, the SKX. Each creation in the new collection shares an updated version of this famous case, and all have the same arrow-shaped minute hands, distinctive hour markers, and a unidirectional rotating bezel. The movements are all self-winding caliber 4R36, tried and tested in various Seiko watches, with 24 jewels, manual winding capability, a 41-hour power reserve, and a seconds hand that stops when the crown is pulled to allow adjustment. more precise timekeeping.