Sprout Men's ST/3801BKBK Water Resistant Black Corn Resin Bracelet Water-Resistant Bio-Degradable Watch 45 mm black corn resin case with engraved arabic numeral markers on bezel; gold-tone aluminum crown Black adjustable link corn resin bracelet with fold-over clasp closure Black dyed genuine bamboo dial with silver-tone arabic numeral and stick hour indexes and day/date function window Luminous tip filled silver-tone hour, minute and yellow stick second hand Water resistant to 165 feet (50 M): suitable for swimming and showering