Winston Koo's Top 5 Watch Picks From Baselworld And SIHH 2018

1 Royal Oak RD#2 Perpetual Calendar Ultra-Thin by Audemars Piguet Audemars Piguet (AP) really outdid itself with this one By breaking with traditional thinking and embracing simplification, AP reduced its perpetual calendar from a three-level movement, where the wheels and gears were layered upon one another, to one with a single flat mechanism, where all the components are working together cohesively rather than independently for each of the functions. At 6.3mm, AP has created the thinnest perpetual calendar watch the world—a true tour de force from the manufacture in Le Brassus Unfortunately, this piece is a concept watch and not available for sale, but if and when it does become available, there will certainly be a long waiting list. Source