Case Back Screw-down case back. Dimension 43mm. 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 Colour Black. Bracelet Material Stainless Steel. Dial Colour Black. Hour Markers Applied indexes with Super-LumiNova. Hands Silver hands. Main Functions Hours, minutes, seconds, date aperture at 3 o’clock (perpetual calendar) and second time zone. Caliber287 Movement Quartz. 2 years warranty.