From Chopard to Piaget, brands are releasing colorful hard-stone dials that channel the flamboyant spirit of the era.

Citizen has unveiled the latest addition to its Series 8 831 mechanical line of watches, a limited-edition ice blue release.

The dial’s vivid color is echoed by ruby root beads in juicy cerise and raspberry tones, interspersed throughout the chain. One might associate such colorful hard-stones with ladies’ watches ...