GENEVA — In an edition that was all about the subtleties of watchmaking, one had to keep their eyes peeled to get all the subtleties of what the exhibitors at Watches and Wonders packed into 40-something-millimeter formats. Here are five trends and a handful of details that caught the eye of WWD editors at the fair. Textures Bringing a new depth has always started with the dials, richly decorated or on the contrary subtly detailed through a host of crafts, from engraving and enamel to gem-setting and guilloché. This year, the decor spilled onto bracelets and clasps, creating new preciousness. As seen on: Piaget Polo 79 Gadroon with the sodalite dial, tied with Bulgari Serpenti Tubogas Studs. Piaget Polo 79 Gadroon Agostino Osio/Courtesy of Piaget Green It’s easy being green — when you’re a high-end watch. For those partial to verdant hues, brands offered a smorgasbord from malachite, bloodstone and natural aventurine, to enamel and ceramic in a gradient from tenderest tones to ready-to-rumble khaki.…