FEATURESCase and Bezel: Stainless Steel - Band Material: Stainless Steel - Sapphire Crystal Glass - Mechanical 22 Jewels F6N47 CalibreSelf-windingSecond-hand Stop Function - Power Indicator Display - Power Reserve: Up to 50 Hours20 ATMAccuracy: +25 to -15 Sec/Day - SPECIFICATIONSBrand: Orient Star - Model Number: RK-AU0602ECase Material: Stainless Steel - Band Material: Stainless Steel - Glass Type: Sapphire Crystal Glass - Item Shape: Round - Display Type: Analog - Case Diameter: 41 x 49.6 mm - Case Thickness: 14.5 mm - Band Width: 20 mm - Item Weight: 175 g - Band Color: Silver - Dial Color: Matte Green Gradation - Drive System: Mechanical Self-winding - Water Resistant: 20 ATM