CASIO G-SHOCK nano DWN-5600-1JR Color is black. Brand new, unused. Authentic item purchased from a domestic authorized dealer. Please read the comments section of the auction and only participate in bidding if you understand. We only sell authentic products purchased from authorized dealers, so please rest assured. Please bid if you can contact us within 24 hours of winning the bid and make payment within 48 hours. It will take a little time to ship. I think there are many first-time users, but I am committed to a prompt transaction.