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Lot Essay
Before the introduction of the Nautilus, Patek Philippe had produced only two references available exclusively in stainless steel: references 3418 and 3417, making them particularly unusual within a manufacture historically associated with precious-metal wristwatches.
Introduced in 1958 and produced until approximately 1970, reference 3417 occupies an important place in Patek Philippe's history as the manufacture's first series-produced antimagnetic wristwatch. Crafted exclusively in stainless steel, it combined the restrained elegance characteristic of Patek Philippe with highly advanced technical properties. At the time of its introduction, antimagnetic protection represented an important technological achievement, proudly highlighted by the distinctive 'Amagnetic' designation on the dial.
Early examples were powered by the calibre 12''' AM 400, while from approximately 1960 onwards it was replaced by the calibre 27-AM 400, such as in the present timepiece, which remained in use until the reference was discontinued. Both movements incorporated specialised components designed to minimise the effects of magnetism, including a gold or beryllium lever escapement, and were protected by a soft-iron (Permalum) inner cover acting as a magnetic shield. Remarkably, these movements were designed to withstand magnetic fields of up to 450 oersteds, more than four times the magnetic intensity required to stop a conventional mechanical wristwatch of the period.
Introduced in 1958 and produced until approximately 1970, reference 3417 occupies an important place in Patek Philippe's history as the manufacture's first series-produced antimagnetic wristwatch. Crafted exclusively in stainless steel, it combined the restrained elegance characteristic of Patek Philippe with highly advanced technical properties. At the time of its introduction, antimagnetic protection represented an important technological achievement, proudly highlighted by the distinctive 'Amagnetic' designation on the dial.
Early examples were powered by the calibre 12''' AM 400, while from approximately 1960 onwards it was replaced by the calibre 27-AM 400, such as in the present timepiece, which remained in use until the reference was discontinued. Both movements incorporated specialised components designed to minimise the effects of magnetism, including a gold or beryllium lever escapement, and were protected by a soft-iron (Permalum) inner cover acting as a magnetic shield. Remarkably, these movements were designed to withstand magnetic fields of up to 450 oersteds, more than four times the magnetic intensity required to stop a conventional mechanical wristwatch of the period.