IWC Ingenieur Ingenieur 666A Stainless Steel / Ivory

Reference 666A

About this watch

The IWC Ingenieur 666A is a masterpiece of horology that embodies the perfect blend of functionality and style. This robust watch boasts a stainless steel case with a polished finish, striking a balance between presence and wearability. The silver dial features stick hands for clear readability against the silver backdrop. A perpetual calendar module designed by Kurt Klaus ensures accurate date display without manual adjustments. With a water resistance of 120 meters, this watch is suitable for diving enthusiasts and those who enjoy water sports. Its automatic movement maintains precision with minimal deviation, making it an investment in craftsmanship and style.
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Key Features

  • IWC caliber 79261 movement
  • Perpetual calendar feature by Kurt Klaus
  • Stainless steel case with polished finish
  • Silver dial with stick hands
  • Water resistance up to 120 meters
  • Automatic movement with 44-hour power reserve

Specifications

Brand
IWC
Family
Ingenieur
Model
Ingenieur 666A Stainless Steel / Ivory
Reference
666A
Movement
iwc-852
Movement Features
  • Hours, Minutes, Seconds
Case
Stainless Steel 36.5mm
Dial Color
Ivory
Crystal
Plexi
Water Resistance
100

Current Listings

[WTS] IWC Ingenieur. Automatic. 🔥

IWC Ingenieur. Automatic. 🔥

IWC - IW323401 · $3,400
The IWC Ingenieur is an automatic watch with a see-through caseback, available for sale.

  • See through caseback: true
  • Location: NJ USA
  • Shipping details: Fedex with insurance, globally accepted
Posted at
Oct 18, 2025, 6:03 PM
Active
[WTS] IWC Ingenieur IW323902

IWC Ingenieur IW323902

IWC - IW323902 · $5,250
A IWC Ingenieur IW323902 in excellent preowned condition, featuring a 40mm case diameter and automatic movement.

  • Condition: Excellent preowned condition
  • Case Diameter: 40mm
  • Thickness: 10mm
  • Movement: IWC 30110 automatic
Posted at
Oct 18, 2025, 5:28 PM
Active
[WTS]: IWC Ingenieur 40 Blue Dial IW328907

: IWC Ingenieur 40 Blue Dial IW328907

IWC - IW328907 · $9,000
For sale is an IWC Ingenieur Automatic 40mm Blue Dial reference # IW328907, complete with all boxes, papers, booklet, tools, hang tag and IWC Warranty Card dated August 2025.

  • Condition: excellent plus
  • Movement: IWC 32111 Calibre
  • Box And Papers: complete with all
  • Warranty Card Date: August 2025
Posted at
Oct 18, 2025, 1:11 PM
Active
[WTS] IWC Ingenieur Automatic Ref. IW323906 — 40 mm - Full Set

IWC Ingenieur Automatic Ref. IW323906 — 40 mm - Full Set

IWC - IW323906 · $5,740
The IWC Ingenieur Automatic Ref. IW323906 is a modern evolution of the original design by Gérald Genta, featuring a 40 mm stainless-steel case and a silver dial with rose-gold hour and minute hands.

  • Condition: Very good overall
  • Case Diameter: 40 mm
  • Thickness: 10 mm
  • Lug To Lug: 50 mm
Posted at
Oct 18, 2025, 1:06 AM
Active
IWC Ingenieur Automatic  - IW323902 - Black - Stainless Steel - 39mm - Mint

IWC Ingenieur Automatic - IW323902 - Black - Stainless Steel - 39mm - Mint

IWC - IW323902 · $5,495
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
Posted at
Apr 8, 2025, 12:56 AM
Active
IWC Ingenieur Automatic - 40mm - Black Dial - IW328901 ( unworn / 2025 )

IWC Ingenieur Automatic - 40mm - Black Dial - IW328901 ( unworn / 2025 )

IWC - IW328901 · $9,995
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
Posted at
Mar 28, 2025, 3:41 PM
Active
1980's IWC Ingenieur Ref. IW3506 with Box

1980's IWC Ingenieur Ref. IW3506 with Box

IWC - IW3506 · $5,950
The IWC Ingenieur Ref. IW3506 is a vintage watch originally launched in 1955 as an anti-magnetic timepiece for engineers, featuring a soft iron inner case and IWC's Caliber 852. The Reference 3506 was introduced in the mid-1980s, offering a more wearable size with refined details like gold hour markers and a graph paper textured dial.

  • Condition: Vintage-Good
  • Movement: Automatic
  • Case Width: 35mm diameter
  • Strap Length: 7.50 inches
Posted at
Mar 27, 2025, 1:34 PM
Active
IWC Ingenieur Aqua Green IW328903 LNIB

IWC Ingenieur Aqua Green IW328903 LNIB

IWC - IW328903 · $8,350
A pristine IWC Ingenieur with an Aqua Green dial, complete with warranty card and other original accessories.

  • Condition: Like New in Box (LNIB)
  • Year: 2024
  • Warranty card: present
Posted at
Mar 20, 2025, 1:28 PM
Active
BNIB IWC IW328904 Ingenieur TITANIUM 40 NEW MODEL Grey Dial 2025

BNIB IWC IW328904 Ingenieur TITANIUM 40 NEW MODEL Grey Dial 2025

IWC - IW328904 · $12,500
This is a brand new IWC Ingenieur model with a grey dial and titanium case. It comes in full box/papers and has the remaining manufacturer warranty.

  • Condition: Brand new, unworn
  • Material: Titanium
  • Case size: 40mm diameter
Posted at
Mar 19, 2025, 5:54 PM
Active