IWC Ingenieur 666 AD 18k Gold - Black Dial

extremely rare variant of the legendary Ingenieur - excellent condition

IWC Ingenieur 666 AD 18k Gold - Black Dial - ultra-rare IWC Ingenieur
ultra-rare IWC Ingenieur
luxurious gold version with a black dial
perfect condition of the dial
18k yellow gold case showing traces of oxidation
crisp case, original IWC fish crown
fantastic contrast
IWC Automatic Cal. 8531
additional cover for protection against magnetic fields
amazing piece of IWC history

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Description
We are proud to offer this exceptional rarity: the IWC Ingenieur 666 AD in a yellow gold case with a black dial. Dating from the late 1960s, this is currently the only known example of this variant on the market - a true highlight for discerning collectors.

The combination of yellow gold case and black dial is already extremely rare. To find one in such remarkable condition is even more exceptional. The case shows no signs of polishing and subtle traces of natural oxidation, indicating long storage and minimal wear.

The watch is powered by IWC's legendary anti-magnetic automatic calibre 853, a masterpiece of watchmaking renowned for its precision and reliability.

This is a rare opportunity to acquire a piece of watchmaking history, unmatched in its rarity and originality.

About the IWC Ingenieur
The legendary Ingenieur watch model from the Schaffhausen-based IWC manufactory was introduced in 1954 and was specially designed for scientists, doctors and researchers. Durability, functionality and exceptional anti-magnetic properties were at the heart of this innovative tool watch. A distinctive feature is the "INGENIEUR" logo on the dial, depicting a lightning bolt striking from top left to bottom right, symbolising the watch's pioneering technical achievements.

Condition report
Dial: excellent condition - glossy black dial with gold printing - original tritium markers and hands - dauphine hands - signed "SWISS".

Case: 18k yellow gold case - slight signs of wear - crisp lugs - anti-magnetic movement cover - correct engravings on the back - traces of oxidation underline the authenticity of the case - intact gold hallmark - original crown with IWC fish logo.

Movement: Automatic IWC calibre 8531 - Values on the timegrapher: rate: +2s/day, amplitude: 279, beat error: 2.4.

Movement number: 1867xxx (1968)

Int.Exe.: 1642036
Features

Manufacturer: IWC

Model: Ingenieur

Reference: 666 AD

Functions: date - central second - hour and minute - antimagnetic - screwed-on caseback

Material: Yellow Gold

Carat: Gold 750 : 18 ct

Dial: black

Watch glass: acrylic crystal

Bracelet: leather

Type of clasp: pin buckle

Diameter: 37mm

Height: 14mm

Caliber name: IWC 8531

Movement type: automatic

Year of Manufacture: 1968

Overall condition: 9 - has rarely been worn - top condition

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