Case Back Screw-down case back. Dimension 43 mm. Glass Sapphire with several layers of anti-reflective coating. Material Stainless Steel. Shape Round. Water Resistance 50 meters. Bracelet Buckle Triple safety folding clasp and push-piece opening mechanism. Bracelet Material Stainless Steel. Dial Colour Black. Hour Markers Applied indexes with Super-LumiNova. Hands Silver hands. Main Functions Hours minutes seconds in the middle. Date window. Perpetual Calendar. EOL indicator shock detector magnetic field smart crown GPD system. Movement Quartz. 2 years warranty.