IWC Ingenieur Big Ingenieur Chronograph Stainless Steel / Silver / Strap
Reference IW3784-05
About this watch
The IWC Big Ingenieur Chronograph IW3784-05 is a stunning example of IWC's ingenuity, combining quality, durability, and aesthetics in a robust and striking stainless steel case with a diameter of 45.50 mm. The silver dial features stick and dot indexes offering a sleek modern look, while the open sapphire case back showcases the intricate IWC movement, inviting admiration from every angle. With a self-winding flyback chronograph movement boasting a 68-hour power reserve and a frequency of 28,800 vibrations per hour, this watch is precision that watch enthusiasts crave. The flyback chronograph function allows for quick resetting of the timer without having to stop it first, perfect for timing multiple events seamlessly. With a water resistance of up to 120 meters, this timepiece is designed to withstand the rigors of daily life. Whether you're in a boardroom meeting or out for a weekend brunch, the IW3784-05 exudes confidence and style.
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Key Features
- Stainless steel case with diameter of 45.50 mm
- Silver dial with stick and dot indexes
- Open sapphire case back showcasing IWC movement
- Self-winding flyback chronograph movement
- 68-hour power reserve
- Water resistance up to 120 meters
Specifications
- Brand
- IWC
- Family
- Ingenieur
- Model
- Big Ingenieur Chronograph Stainless Steel / Silver / Strap
- Reference
- IW3784-05
- 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