CUZEN MATCHA MAKER Forget bean-to-cup—this year’s must-have gadget for matcha lovers is a “leaf-to-cup” maker, freshly grinding the finest leaves to brew the ultimate pick-me-up; $299.

Imagine you are a collector who cannot find the watch you want. In recent years, several collectors have considered that a signal to start their own watch brands. “They find pleasure in being able to ...