IWC Ingenieur Big Ingenieur Chronograph Stainless Steel / Black / Strap

Reference IW3784-06

About this watch

The IWC IW3784-06 Big Ingenieur Chronograph is a masterpiece of horology, boasting a robust stainless steel case and striking black dial that exudes sophistication. The watch's 45.50 mm round shape makes a bold statement on the wrist, while its sleek profile showcases durability and quality in its weight and finish. The open case back reveals the intricate inner workings of the IWC caliber 89361 movement, a testament to fine watchmaking. This automatic movement is precision-crafted with a frequency of 28,800 vibrations per hour and a power reserve of 68 hours, ensuring reliable performance. The flyback chronograph feature allows for easy timing, while the date function adds an extra layer of functionality. With its water resistance rating of 120 meters, this watch can handle daily wear and formal occasions alike. Whether you're a seasoned collector or a first-time buyer, the IWC IW3784-06 Big Ingenieur Chronograph is a timepiece that deserves a spot on your wrist.
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MSRP: $12,600
Market Price: $4,790

Key Features

  • IWC caliber 89361 automatic movement
  • 45.50 mm stainless steel case
  • Black dial with stick and dot indexes
  • Flyback chronograph feature
  • Date function
  • 120m water resistance
  • Sapphire crystal glass

Specifications

Brand
IWC
Family
Ingenieur
Model
Big Ingenieur Chronograph Stainless Steel / Black / Strap
Reference
IW3784-06
Movement
89361
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Flyback
Case
Stainless Steel 45.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
120

Current Listings

[WTS] IWC Ingenieur 3227 Full Set

IWC Ingenieur 3227 Full Set

IWC - 3227-01 · $3,900
A very solid and well-maintained IWC Ingenieur 3227-01 with a large case size of 42mm, featuring deep Genta ties and DNA.

  • Condition: 9+/10
  • Size: 42mm diameter
Posted at
Oct 24, 2025, 6:28 PM
Active
[WTS]: IWC Ingenieur 40 Blue Dial IW328907

: IWC Ingenieur 40 Blue Dial IW328907

IWC - IW328907 · $8,850
IWC Ingenieur Automatic 40mm Blue Dial, reference # IW328907, featuring an IWC 32111 Calibre Movement. The watch is in excellent plus condition with a few minor marks throughout.

  • Condition: Excellent plus
  • Movement caliber: IWC 32111
Posted at
Oct 22, 2025, 7:55 PM
Active
[WTS] IWC Ingenieur NEW BLUE Dial Automatic 40mm IW328907 2024

IWC Ingenieur NEW BLUE Dial Automatic 40mm IW328907 2024

IWC - IW328907 · $7,400
This is a 2024 IWC Ingenieur Automatic watch with a stunning navy blue dial. It features an in-house automatic movement and has been worn fewer than a dozen times.

  • Condition: Excellent
  • Case diameter: 40mm
  • Thickness: 10.7mm
  • Water resistance: 100m
Posted at
Oct 22, 2025, 6:34 PM
Active
[WTS] IWC Ingenieur GMT White Dial Just Returned From IWC Service Ref IW324404

IWC Ingenieur GMT White Dial Just Returned From IWC Service Ref IW324404

IWC - IW324404 · $4,450
A modern iteration of the IWC Ingenieur GMT with a white and blue dial, featuring a date function, GMT hand, and an integrated stainless steel bracelet. The watch has just returned from full service at IWC.

  • Condition: Fantastic, with wear throughout but still looks great
  • Case size: 43mm
  • Bracelet length: up to 7.25 inches (with extra link)
  • Straps included: original stainless integrated bracelet,aftermarket black rubber strap
Posted at
Oct 20, 2025, 8:40 PM
Active
[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