Seiko 5 Sports SRPH23K1 Automatic Men’s Watch – Field SeriesThe Seiko 5 Sports SRPH23K1 Automatic Watch from the Field Series combines rugged durability with precise Japanese engineering. Powered by the Seiko Caliber 4R36 automatic movement with manual winding, it provides a power reserve of approximately 41 hours. The 39. 4 mm stainless steel case features a curved Hardlex crystal, while LumiBrite coated hands and indexes ensure excellent readability. A see through case back adds sophistication, and water