Brand Patek Philippe, Geneva Model ‘Amagnetic’ (Amagnétique) Retailed by / made for - Year circa 1964 Reference 3417 A AM (Amagnetic) (3rd series) Movement No. 733 116 Calibre 27-AM 400 (anti-magnetic), manual-winding, 18 jewels Case No. 2 644 276 (by Jean Vallon, La Chaux-de-Fonds) Material/s stainless steel Bracelet leather strap Buckle stainless steel pin-buckle Dimensions Ø 35mm. Thickness 10mm Weight 46.06gr. (approx.) Signature dial, case and movement Accessories Extract from the Archives Patek Philippe Ref. 3417 A AM (Amagnetic) (3rd series), anti-magnetic (to 450 œrsteds), water-resistant case, straight lugs, silver dial, Arabic numeral at 12 and thin lapidated indexes; nicknamed ‘Amagnetic’ by collectors; stainless steel -- An antimagnetic ‘tool’ wristwatch, with the ‘Amagnetic’ mention on the dial -- Stainless steel, manual-winding, round-shaped, anti-magnetic gentleman’s wristwatch, with subsidiary seconds at 6 o’clock, water-resistant, with movement protected against magnetic fields. -- Case: two-piece, polished, cylindrical case-band with flat inclined low part extended by a wide flat inclined bezel, straight-line lugs, water-resistant with screwed case-back; polished ‘Calatrava’ crown. Dial: silver colour, with stainless steel applied suspended Arabic numeral at 12 o’clock, ‘Amagnetic’ mention below, and radiating thin lapidated indexes, external minute track divided five by five with black painted radiating lines; stainless steel ‘Bâton’ hands. Movement: calibre 27-AM 400, manual-winding, 18 jewels, rhodium-plated with ‘fausses côtes’ decoration, going barrel, straight-line lever escapement (with gold lever), free-sprung Gyromax balance, self-compensating Breguet hairspring, adjusted to heat, cold, isochronism and 5 positions, Geneva Quality Hallmark (‘Poinçon de Genève’ / Geneva Seal); movement protected inside a permalloy soft nickel-iron calotte (protective container) against magnetic fields. -- The Extract from the Archives, dated November 08, 2018, mentions that this watch was made in 1964 and sold on August 30, 1966.
