Citizen bring you a watch which has black for its dial colour. There's no problem with showering or swimming with it on.
From Fraser Hart
Citizen Eco-Drive Super Tough Titanium and Kevlar Men's Watch
Watch Shop
Mens Citizen Eco-Drive Titanium Titanium Watch - Black / Grey
Acotis Diamonds
Citizen Mens Strap Sport Titanium Watch BN0118-04E