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IWC Ingenieur Vintage – Ref. 866 AD – Stainless Steel – Gay Frères “Rice Grain” Bracelet – 1969 – Excellent Condition

We are pleased to present this very collectible IWC Ingenieur Ref. 866 AD, a vintage icon from IWC Schaffhausen, celebrated for its technical innovation and timeless, purpose-driven design. Developed for engineers and professionals exposed to magnetic fields, the Ingenieur line represents one of the earliest and most refined anti-magnetic wristwatches of its era.

This example, dating to 1969, features a classic 36 mm stainless steel case, offering a perfectly balanced and versatile presence on the wrist. Its clean lines, restrained proportions, and robust construction reflect the functional design language that defines the Ingenieur collection.

The IWC servcie dial dial and hands were exchanged during the las IWC service in 2021 - IWC letter!

At its core, the watch is powered by a reliable IWC automatic movement, protected by a soft iron inner cage designed to shield against magnetic interference—one of the defining technical features of the Ingenieur line and a testament to IWC’s engineering heritage.

A highlight of this piece is the sought-after Gay Frères “rice grain” bracelet, a period-correct and highly collectible accessory known for its exceptional comfort and distinctive vintage aesthetic. Its finely constructed links perfectly complement the watch’s overall design.

This IWC Ingenieur Ref. 866 AD is offered with:

- Stainless steel case

- IWC servcie dial 

- Gay Frères “rice grain” stainless steel bracelet - 1969

- Automatic movement with anti-magnetic protection - cal. 8541

- Production year: 1969

- Fine vintage condition 

The Ingenieur Ref. 866 AD embodies the spirit of functional elegance and technical innovation, making it a significant and desirable addition to any vintage watch collection.

“The IWC Ingenieur stands as a symbol of precision engineering, designed for those who demand reliability under the most challenging conditions.”