IWC Ingenieur Big Ingenieur Chronograph 'DFB'

Reference IW3784-04

About this watch

The IWC Ingenieur IW3784-04 Big Ingenieur Chronograph 'DFB' is a masterpiece of luxury watchmaking. This limited edition timepiece combines exceptional craftsmanship with innovative engineering, resulting in a piece that's both functional and aesthetically stunning. Its stainless steel case gleams under the light, showcasing the meticulous polish and finish that IWC is known for. The sapphire glass covering the dial is scratch-resistant, ensuring your watch maintains its pristine condition even after years of use. Plus, the open case back gives enthusiasts a peek into the intricate workings of the movement, a feature that adds to its allure. The Big Ingenieur Chronograph 'DFB' boasts a robust automatic mechanism, with a power reserve of 68 hours and a water resistance rating of 120 meters. Its chronograph function allows you to measure elapsed time, while the flyback feature means you can reset the chronograph with a single push of a button. This is particularly useful for timing multiple events in succession, making it a favorite among sports enthusiasts. With its striking design, remarkable movement, and limited availability, this watch stands as a testament to what luxury watchmaking should be about.
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Key Features

  • 45.50 mm stainless steel case
  • Sapphire crystal glass
  • IWC caliber 89361 self-winding movement
  • Chronograph function with flyback feature
  • Water resistance up to 120 meters
  • Limited production of just 250 units

Specifications

Brand
IWC
Family
Ingenieur
Model
Big Ingenieur Chronograph 'DFB'
Reference
IW3784-04
Movement
89361
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Flyback
Case
Stainless Steel 45.5mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
120

Current Listings

[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
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