Sprout Men's Quartz Resin and Other-Synthetic Casual Watch, Color:Grey (Model: ST/3400BKBKGY) Large black corn-resin case Grey tyvek strap with matching grey stitching Black dyed bamboo dial with silver-tone applied arabic numerals at all hours except 3, 6 & 9 Dark bamboo subdials with day, date and 24 hour functions Not water resistant