Inspired by modern style and streamlined design, the Master Ultra Thin Collection features timeless aesthetics, clean lines, and exceptional watchmaking. Inheriting the design of its case from the first ultra-thin pocket watch of 1907, each piece boasts understated elegance and is powered by sophisticated movement. The 39mm pink gold case with water resistance to 5 bar (50 meters) is paired with a black alligator leather strap secured by a pin buckle attachment. Showcasing a perpetual calendar dial in eggshell beige, this timepiece displays the date, day, month, and year in four digits, along