1960s IWC "Ingenieur" Ref.666AD Cal.8531 Silver dial

Manufacturer IWC
Model Inegenieur
Year of Manufacture 1960s
Reference no. 666AD
Product no. B-9376

IWC, "Ingenieur", Ref.666AD, Cal. 8531 powered , silver dial, circa mid 1960s.

An IWC masterpiece model that has been in production from 1955 to the present day. It boasts of the top class practicality among the International models of that time, such as anti-magnetic resistance by the double case structure using soft iron and water resistance by the screw back, and the simple and an untiring dial design is a model that can be used for a long time. The calendar laid out in the center of the dial gives the Ref.666 a unique look, and the silver dial, which is evenly textured and aged, is a gem with a wonderful vintage taste.

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Item details

Serial no. 1,762,***
Caliber 8531
Movement no. 1,706,***
Movement type Automatic
Material Stainless Steel
Case size 36mm
Case type Screw back,Waterproof
Dial Original
Type of Indices Applied & Luminous
Belt Non-original (lug width: 18mm)
Evaluation case 93%
Evaluation dial 92%
Evaluation mov 93%
Condition 4.5
Rarity 4.5

Other details

Case: There are some minor scratches and aging, but it retains enough of its original shape and volume.

Dial: The dial is evenly textured and aged, and has a great atmosphere.

Movement: no problems with winding. Accuracy is around 20 seconds per day.