Brand: Seiko Model No.: SPB183J1 Gender: Mens Diameter: 42.7 mm Thickness: 13.2 mm Garansi 1 Tahun Lug Width : 22 mm Movement : Automatic with Manual Winding Capacity Glass material : Sapphire crystal with anti-reflective coating Case material : Stainless Steel Water resistant : Divers Watch 200 Meters/20 ATM/20 BAR Case back : Screw case back Clasp : Fold over with safetyi Calendar : Date Luminious / LumiBrite : Yes Caliber : 6R35 Accuracy : +25 to -15 seconds per day Features : 24 jewels, Date display, Stop second hand function, An additional silicon strap is included, LIMITED EDITION on the case back, Screw case back, Screw-down crown, Serial number engraved on the case back, Unidirectional rotating bezel