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

Platinum IWC Big Ingenieur Chronograph Fly-back, IW378403, Limited Ed. Complete
The watch is a rare, limited edition IWC Big Ingenieur Chronograph Fly-back with a Solid Platinum Case, Rhodium Textured Dial, and Black Sub-Dials. It features a 3784-03 chronograph complication, fly-back function, and 68 hours Power Reserve.
- Condition: Very good, some scuffs and small scratches from careful use
- Case material: Solid Platinum
- Diameter: 40mm
- Thickness: 15mm

IWC Ingenieur Automatic 40 Blue Dial IW328907 � 2024 Unworn
The IWC Ingenieur Automatic 40 Blue Dial is a newly released model with a blue dial, featuring an unworn condition and included accessories such as boxes, booklet, and warranty card.
- Condition: Unworn
- Year of release: 2024
- Diameter: 40mm

IWC Ingenieur Automatic - 40mm - Blue Dial - IW328907 ( unworn / 2025 )
This listing features an unworn IWC Ingenieur Automatic 40mm Blue Dial watch, complete with all original boxes, papers, and accessories.
- Condition: Unworn / Complete Set
- Case Material: Stainless Steel
- Movement: IWC 32111 Calibre
IWC Ingenieur White Dial IW323906 Automatic Steel 40mm
The IWC Ingenieur White Dial is a mechanical automatic watch with a stainless steel case and date function, measuring 40mm in size.
- Condition: 95%
- Model: Ingenieur Automatic 40mm
- Case material: Stainless Steel
- Movement type: Mechanical Automatic

IWC Iw328903 INGENIEUR AQUA GREEN AUTOMATIC 40MM 2023 COMPLETE SET
A 2023 IWC Ingenieur Aqua stainless steel watch with a green dial and automatic in-house movement. The watch is running perfectly with no issues.
- Condition: Excellent, Unpolished Condition
- Movement: IWC Calibre 32111, Automatic In-House Movement
- Power reserve: 120 hours
- Warranty: Under 8 years factory warranty remaining