A miniature fantasy world inside an antique pocket watch, with tiny castles, sparkling rivers, and lush forests. The inhabitants are miniature fairies and elves, and the sky is filled with miniature dragons. Style inspired by the watercolor art of Romulo Royo and the dark, magical style of Luis Royo, with a touch of the fantasy illustration of Alphonse Mucha. UHD, centered composition, photorealistic, hyperrealism, dramatic, moody, mesmerizing atmosphere, extremely intricate, hyperdetailed, 8k resolution, masterpiece.