Nautilus 3700 /1 J UNPOLISHED With Extract From The Archives - Unbelievable untouched condition. Full yellow gold, ultra thin case (7.66 mm), black dial, applied yellow gold markers, date, sapphire glass, automatic movement, ultra thin caliber 28-255 C. With extract from the . Gerald Genta's masterpiece! The legendary Nautilus collection was introduced in 1976 when Patek Philippe was looking for a strong design of inimitable personality. An inspiration for such a timepiece soon emerged: The universal shape of a porthole found on virtually all maritime vessels. Since then, the Nautilus has established itself as a classic elegant sports watch and the original reference, 3700 such as the present watch.