Casio Men's Analog Collection Multifunction Metal Band Watch Model MTF-304D-1AV Neobrite-A luminous coating provides long-term illumination in the dark after only a short exposure to light Day and Date display-The current day and date are both displayed Years - 1 Battery, Mineral Glass Spherical Glass, Stainless Steel Case, Stainless Steel Band Water resistance classification (5 bar / 50m), Accuracy-+/-30 seconds per month, SR621SW Battery