Let’s take a closer look at the category for essential watches at the GPHG, the Grand Prix d’Horlogerie de Genève (GPHG), one of watchmaking’s most prestigious annual awards. The essential watches is kind of a step up from the time-only category, but still includes pieces that do not fall under the definitions of the time-only, complication, or gem-set categories. These can have a few more details beyond hours, minutes, and seconds. They can have dates, day-dates, power reserves, and so on. They can use digital or retrograde displays. Daniel Roth Extra Plat Rose Gold Skeleton What we have this year is a different set of pieces that give you an interesting look into what is possible. You have something like the Daniel Roth Extra Plat Rose Gold Skeleton, which does indeed display only the time but has an open-faced, skeletonized movement within its traditional case shape. Audemars Piguet Neo Frame..