Patek Philippe Nautilus Annual Calendar - This ingenious mechanism has emerged as one of the manufacture's flagship models. Web the annual calendar patent and functions. Web the annual calendar was sought after not only by watch enthusiasts wanting to own a complicated patek, but also established.
Web the annual calendar was sought after not only by watch enthusiasts wanting to own a complicated patek, but also established. Web the annual calendar patent and functions. This ingenious mechanism has emerged as one of the manufacture's flagship models.