Watch brands and collectors are both enjoying a bit of matchy-matchy action right now as his-and-her looks in timepieces are turning up everywhere. Piaget plans to celebrate the coming Chinese New Year with a special collection of eight high jewelry and métiers d’art watches — four masculine and four feminine — scheduled to be released in December, with prices on request. The designs nod to the dragon and the phoenix, traditional Chinese symbols for male and female. (And, 2024 also happens to be the Year of the Dragon.) In October,…