The basic scheme and concept of an architectural design is ”parti”, which is presented on basic diagram. “t-parti” is named by the same concept as parti and uses time as t-parti’s core. The designer tries to apply “parti” in different fields, and to present space concept in three-dimension structure. The procedure of building up a structure needs meticulousness, and the mechanical watch does, also. The designer has to plan every details of the component properly. There are layers of different-size curved inside the watch, creating extraordinary spaces. Each of them represents different unit of time. This design reinterpreted the beauty of time, and builds up marvelous space within limited place.