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Patek Philippe. A fine and rare stainless steel manual wind anti-magnetic wristwatch Ref: 3417A, Circa 1960 image 1
Patek Philippe. A fine and rare stainless steel manual wind anti-magnetic wristwatch Ref: 3417A, Circa 1960 image 2
Lot 66Y

Patek Philippe. A fine and rare stainless steel manual wind anti-magnetic wristwatch
Ref: 3417A, Circa 1960

Amended
19 June 2025, 14:00 BST
London, New Bond Street

Sold for £28,160 inc. premium

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Patek Philippe. A fine and rare stainless steel manual wind anti-magnetic wristwatch

Reference: 3417A
Date: Circa 1960
Movement: 18-jewel Cal.27-AM 400 anti-magnetic manual wind, free-sprung Glucydor balance, adjusted to heat, cold, isochronism and 5 positions, stamped with the Seal of Geneva, No.734807
Dial: Silvered, applied polished baton hour markers, polished dot outer minute divisions, subsidiary seconds at 6, polished pointed baton hands
Case: Polished round, screw down back, inner soft-iron protection cap, No.2644421
Strap/Bracelet: Black Patek Philippe alligator leather
Buckle/Clasp: Signed steel buckle
Signed: Case, dial & movement
Size: 35mm

Footnotes

At a time when scientific experiments and normal industrial activity were bringing people into contact with magnetism in a way that had not been experienced before, Patek Philippe introduced the Reference 3417. Launched in 1958, the 3417 was a remarkable stainless steel timepiece designed for functionality and precision in demanding environments and was the first anti-magnetic watch produced in series.

Watches have many components in them that are normally susceptible to magnetism which has a severely detrimental effect on time keeping. To combat this the 3417 was equipped with a soft iron inner shield to resist magnetic fields and is powered by the manually wound Caliber 27-AM 400, a movement with antimagnetic parts like the gold pallets specifically engineered to maintain accuracy in conditions where magnetism might otherwise affect performance. This innovative design catered to professionals such as scientists and engineers, making it a standout in Patek Philippe's catalogue at the time.

Saleroom notices

Please note that this lot is accompanied by a Patek Philippe pouch and a service invoice dated 2021.

Additional information

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