The trend toward blue has been in evidence for the last couple of years, adorning many haute horlogerie timepieces. Powerful royal and midnight blues and touches of turquoise add cool flairs to delicate sky- and ocean-colored hues. Blue has stood the test of time because it comes in such a remarkable variety of shades and nuances – from mysterious and dazzling to elegant and classic. Here are five blue-dialed watches freshly introduced in 2017.