IWC Ingenieur Ingenieur 666AD Stainless Steel / Black
Reference 666AD
About this watch
The IWC Ingenieur 666AD is a piece of horological history, produced between 1954 and 1958. Its classic design and robust functionality make it a coveted piece for collectors and admirers alike. The black dial exudes understated sophistication, while the stainless-steel case enhances durability and adds shine without being overly flashy. Powered by the IWC caliber 8521, this automatic movement is a marvel of engineering, keeping accurate time with a power reserve of 42 hours. The Pellaton winding system ensures efficient winding with minimal effort. With a water resistance of up to 100 meters, this watch can handle unexpected rain showers or beach activities. Its elegant aesthetics and historical significance make it a standout choice for those who appreciate the finer things in life without needing to shout about them.
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Key Features
- Stainless Steel Case
- Plexi Glass Crystal
- Automatic IWC Caliber 8521 Movement
Specifications
- Brand
- IWC
- Family
- Ingenieur
- Model
- Ingenieur 666AD Stainless Steel / Black
- Reference
- 666AD
- Movement
- iwc-8521
- Movement Features
-
- Hours, Minutes, Seconds
- Case
- Stainless Steel 36.5mm
- Dial Color
- Black
- Crystal
- Plexi
- Water Resistance
- 100
Current Listings
![[WTS] IWC Ingenieur Automatic Aqua Blue IW328903](https://preview.redd.it/3ue9a3dg9tpg1.jpg?width=640&crop=smart&auto=webp&s=06604f320f83023e65420c9f344c40c50af84680)
IWC Ingenieur Automatic Aqua Blue IW328903
This watch comes as a complete set and is available for sale.
- Condition: Very good pre-owned condition
- Shipping: overnight via Miami, FL
- Insurance: insured
![[WTS] BNIB Jul-2025 IWC Ingenieur 40 Blue - from AD w. All Boxes/Papers/8yr IWC Warranty](https://preview.redd.it/mlk1kn3ntfpg1.jpg?width=640&crop=smart&auto=webp&s=3136680e95b939c32c3ade81e697bfee62b2bbde)
BNIB Jul-2025 IWC Ingenieur 40 Blue - from AD w. All Boxes/Papers/8yr IWC Warranty
The IWC Ingenieur 40 blue is a re-introduction of one of Genta's big three integrated bracelet steel sports watch designs. It features a stunning steel blue dial in a checkerboard pattern and a fully tool-less design bracelet.
- Condition: New, unworn (BNIB)
- Year Bought: 2025
- Size: 40mm diameter
- Material: Steel
![[WTS] IWC Ingenieur Aqua Dial IW328903🔥Preowned 2024, $9500+✈️🔥](https://preview.redd.it/voovfqlcvbpg1.jpg?width=640&crop=smart&auto=webp&s=876507ba6d9ca33061b6e4693015f1ac13601e3f)
IWC Ingenieur Aqua Dial IW328903🔥Preowned 2024, $9500+✈️🔥
The seller is listing an IWC Ingenieur Aqua Dial from 2024. The watch has been worn carefully and still has aftermarket protection stickers, along with its original box and card.
- Condition: Preowned
- Shipping cost (us): 85
- Tariffs included: yes
![[WTS] IWC Ingenieur Black Dial IW323902 🔥Preowned Complete, 5k+✈️🔥](https://preview.redd.it/mgl5r7kuuxog1.jpg?width=640&crop=smart&auto=webp&s=f304e0e4ea81aed8893bbe9f9a31e07c713d73a4)
IWC Ingenieur Black Dial IW323902 🔥Preowned Complete, 5k+✈️🔥
This IWC Ingenieur features a black dial and comes complete with its box and card.
- Condition: Preowned
- Shipping-costs-us-states: $85
- Payment-methods: Wire, Credit Card
- Authentication-assurance: Authenticity & Trust is of utmost importance to us.
![[WTS] IWC Big Ingenieur Flyback Chronograph – Guilloché Dial – Box & Papers](https://preview.redd.it/nmphu2lciiog1.jpeg?auto=webp&s=3dfbc4e9db8637b3ca2593d684f5de81c7b6c060)
IWC Big Ingenieur Flyback Chronograph – Guilloché Dial – Box & Papers
A watch for those who want a true chronograph tool with the elegance to double as a statement piece — robust for everyday use, refined for evenings.
- Case diameter: 45.5mm
- Movement: in-house Calibre 89360
![[WTS] IWC Ingenieur Automatic IW357001 $2,599](https://preview.redd.it/arvp3s6ccgog1.jpeg?auto=webp&s=7ea535d4f8a3f57ef5b75685474d4ff2553fdb82)
IWC Ingenieur Automatic IW357001 $2,599
The IWC Ingenieur IW3570 is a well-crafted, comfortable, and aesthetically pleasing watch that combines a classic design with modern functionality. The watch has balanced proportions, comfortable wearability, and quality finishing make it a strong contender in its category.
- Condition: pre-owned with minor scratches on bezel
- Case Size: 40mm diameter
- Movement: IWC Caliber 35111 (Sellita SW300-1a based)
- Power Reserve: 42 hours
![[WTS] IWC Ingenieur Teal ($10,500)](https://preview.redd.it/i8qkoantf2og1.jpg?width=640&crop=smart&auto=webp&s=71ed1c041a4f5847c51cddfee332e9daf421d65c)
IWC Ingenieur Teal ($10,500)
This IWC Ingenieur Teal features a teal dial in a 40mm case. It's dated March 2024 and comes with additional items.
- Condition: very good
- Diameter: 40mm
IWC Ingenieur Automatic - IW323902 - Black - Stainless Steel - 39mm - Mint
A pre-owned IWC Ingenieur Automatic in excellent condition, featuring a 39mm black stainless steel case and automatic movement. The watch is accompanied by its original box set, instruction manual, warranty card, and OEM rubber strap.
- Condition: Pre-Owned - Grade: Mint
- Case size: 39mm diameter
- Bracelet type: Stainless Steel
- Dial: Black
IWC Ingenieur Automatic - 40mm - Black Dial - IW328901 ( unworn / 2025 )
This IWC Ingenieur Automatic watch features a 40mm stainless steel case and black dial, coming with all original boxes and papers.
- Condition: unworn
- Case size: 40mm diameter
- Movement: IWC 32111 Calibre