9 / 10
This model isn extremely nice example of IWC Ingénieur ref. 666-AD from the first half of the 1960s.
It is in excellent condition and is presented in an original box.
About the model
The IWC Ingenieur was introduced in 1954-55 under the references 666A and 666AD (the latter being the Date version). The movement was protected by a soft iron cage – the dial, the movement’s ring and the caseback cover created a protection against magnetic fields up to 80’000 amperes per meter (A/m), or roughly 1’000 gauss.
It featured the calibre 85x (for the 666A) or calibre 85xx (for the 666AD), both created under the direction of Albert Pellaton, who was IWC’s Technical Director since 1944 – famous for the creation of the Pellaton winding system.
“For the man who expects the impossible from his watch”: this was the way the ads described the first IWC Ingenieur.
This IWC is indeed a serious contender among the first proper anti-magnetic watches, the obvious competitors being the Rolex Milgauss and the Omega Railmaster, and also the lesser known but extremely rare Eberhard Scientigraf.
The IWC Ingenieur reference 666-AD could actually be considered technically superior to those three since it is the only one to have a date display, an additional opening increasing the complexity of fighting magnetism.
The Ingenieur is clearly functional, but it boasts a fairly dressy case, with a great 36.5 mm diameter.