seiko 5 sports manual & automatic winding capabilities, 24 jewels, 21,600 vibrations per hour, power reserve approx. 41 hrs., day/date calendar, case diameter 40.0mm stainless steel case & bracelet, see through screw caseback, caliber 4R36
seiko 5 sports manual & automatic winding capabilities, 24 jewels, 21,600 vibrations per hour, power reserve approx. 41 hrs., day/date calendar, case diameter 40.0mm stainless steel case & bracelet, see through screw caseback, caliber 4R36