From Baby-G, this multi-function watch features:black resin bracelet with buckleblack resin round casedigital movementdual illuminator ELback light with after glow2 multi-function alarmssnooze alarmworld timestopwatchcountdown timerauto calendar12/24 hour formatsapprox. 46.3mm case x 42.4mm lug widthshock resistantwater resistant to 100m