Seiko Presage SSA397J Gender Pria Garansi Resmi 1 Tahun Seiko Case diameter 42 mm Case thickness 14.1 mm Case material Stainless Steel Strap material Stainless Steel Case back Screw see-through case back Glass material Sapphire crystal Fold over with double push button 31 Date Calender Movement Automatic with Manual Winding Capacity Caliber 4R57 Power Reserve 41 Hours Accuracy 45 to -35 seconds per day Features " 29 Jewels Date display Stop second hand function Power Reserve Display Water resistant 30 Meters/3 ATM/3 BAR