Piaget Altiplano 900P should not be surprised to count on a list: The brand has been associated with the ultra-thin watches, and holds a record number of thin timepiece category. Latest world first plateau 900P – the world’s thinnest mechanical movement watch, bar none, in just 3.65 mm Case Thickness – this is under the right circumstances change over the previous two watches thinner. Brand consolidation movement by the housing such that the inner bottom as the main plate to accomplish this feat. Under this count Altiplano38 mm in diameter and come in rose gold ($ 26,200) and Platinum ($ 27,800) of cases.