Patek Philippe is being regarded as one of the most prestigious watch companies from Switzerland. This always has been the case. Their – often – wealthy clients are located all over the world and among them are royals and captains of industry. It is a brand with one of the best-known slogans, “You never actually own a Patek Philippe. You merely look after it for the next generation.”. Whether this is true or not, does not matter, owners of a Patek Philippe watch or future buyers of a Patek Philippe watch gladly refer to this slogan to justify their expensive timepiece. In this article we compare a vintage Nautilus 3700/1A with a modern Nautilus 5711/1A.