Brand : Seiko Model No : SPB221J1 Gender : pria Garansi produk : 1 Tahun Resmi Case diameter : 42,2 mm Case thickness : 13,7 mm Water resistant : 100 Meters/10 ATM/10 BAR Case material : Stainless Steel with Super Hard Coating Case back : Screw see-through case back Glass material : Sapphire crystal with anti-reflective coating Strap material : Stainless Steel Clasp : Fold over with safety Calendar : Date Luminious / LumiBrite : Yes Movement :Automatic with Manual Winding Capacity Caliber :6R64 Jewels :29 Power Reserve :45 Hours Vibrations :28.800 vibrations per hour (6 beats per second) Features :Magnetic Resistance: 4,800 A/m , GMT Function Weight after packing :approx. 700 gram