Too few priced listings for a median
| Listing | Posted | Condition | Authenticity | Price ↑ | ||
|---|---|---|---|---|---|---|
 | eBay | 8/4/2026 | Good | Unknown | $4,410 | View on eBay |
 | eBaySold | 7/5/2026 | Good | Unknown | $4,580 | Sold8/16/2026 |
 | eBaySold | 5/3/2026 | Good | Unknown | $4,680 | Sold7/31/2026 |
We currently track 3 listings for the IWC Ingenieur Ref.666, with prices ranging from $4,410, from eBay.
The IWC Ingenieur Ref. 666 exemplifies the brand's commitment to precision engineering and timeless design. Introduced in the 1960s, this model is a part of IWC's Ingenieur collection, known for its robust construction and sophisticated aesthetics. The watch features a stainless steel case, which not only offers durability but also a sleek, polished finish that is characteristic of IWC's craftsmanship. The Ingenieur Ref. 666 is powered by an automatic movement, ensuring reliability and accuracy. Its minimalist dial showcases a classic layout with luminous hour markers and hands, enhancing legibility in various lighting conditions. The watch typically comes with a black or silver dial, further accentuating its elegant yet sporty appeal. Designed with a focus on comfort, the Ingenieur Ref. 666 features a well-proportioned case that sits comfortably on the wrist. It is often praised for its durability, making it suitable for everyday wear as well as more formal occasions. As a part of IWC's prestigious lineup, this timepiece represents a blend of technical innovation and luxury, appealing to both watch enthusiasts and collectors alike.
The IWC Ingenieur Ref.666 is a pre-owned IWC watch available for purchase across multiple resale platforms. Shop 3 active listings with prices ranging from $4,410. Find this item on eBay. Listings are available in Good condition, so you can choose the quality and price point that suits you.
Current market prices by condition and authenticity, based on active listings.
| Condition | Listings | Price range |
|---|---|---|
| Good | 1 | $4,410avg $4,410 |
| Status | Listings | Price range |
|---|---|---|
| UnknownListings where authentication status is not specified | 1 | $4,410avg $4,410 |
| Marketplace | Listings | Total value |
|---|---|---|
| eBay | 1 | $4.4K |
| Total | 1 | $4.4K |
Listing counts in the condition and platform tables are filtered subsets (listings with a known condition or price). The “active listings” figure at the top of the page reflects all tracked active listings and may be higher.
