The Nixon 51-30 Tide black high polish watch. This Nixon watch is both ridiculously fresh and indubitably classy. The Nixon 51-30 Chrono features an easy to read oversized 51mm case, slick 3-hand Swiss quartz movement, and a second tide specific sub dial. Just to add more pop to this already bangin Nixon watch, this 51-30 Nixon watch has a eye poppin high gloss coat over its stainless steel case and band.