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.
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
IWC Ingenieur Chronograph Blue Dial IW380802 42mm
A 42.5mm stainless steel chronograph watch with a blue dial, powered by a mechanical automatic movement (cal 69375). It comes with a warranty card and is available for international shipping.
- Condition: 95%
- Size: 42.5mm diameter
- Case Material: Stainless Steel
- Movement Type: Mechanical Automatic
IWC Ingenieur Double Chronograph Silver Dial Auto Day Date 45mm Watch Ref. IW38650
This IWC Ingenieur Double Chronograph features a silver dial, titanium case, and automatic self-winding movement. It includes a double chronograph function with three sub-dials and is water-resistant up to 120 meters.
- Condition: Excellent
- Case diameter: 45mm
- Case thickness: 16mm
- Water resistance depth: 120m
IWC Ingenieur Dual Time Full Set
The IWC Ingenieur Dual Time watch features a true GMT/traveler function, on-the-fly micro-adjustable clasp, and excellent timekeeping. It comes with full box and papers and is in pristine condition.
- Condition: Excellent pre-owned condition
- Case Size: 43mm diameter
- Case Thickness: 13.5mm
- Movement: IWC Cal. 35720
![[WTS] IWC Ingenieur IW328902 White Dial](https://external-preview.redd.it/OGt5dzNxdGppZTBmMQa6oSrDlwFJoaoArA8LwUtk_PbzXVGrALYC5IH_wDVN.png?format=pjpg&auto=webp&s=1c3f88c477f8fbcf4201da0d7722fe63eb6ef2e1)
IWC Ingenieur IW328902 White Dial
This is the latest-gen IWC Ingenieur Automatic model with a striking white dial, inspired by Gérald Genta's original design and featuring IWC's new in-house movement with a 5-day power reserve.
- Condition: Excellent
- Case size: 40mm
- Thickness: ~10.8mm
- Water resistance: 100m
![[WTS] IWC Ingenieur Dual Time Full Set $3,990](https://preview.redd.it/y8n5pdroae0f1.jpeg?auto=webp&s=6890a785b44cfbeeb8510be490c9dc860047c73b)
IWC Ingenieur Dual Time Full Set $3,990
Up for sale is the IWC Ingenieur Dual Time watch with a true GMT/traveler GMT function, on the fly micro-adjustable clasp, and excellent time keeping.
- Condition: Excellent pre-owned condition
- Case Size: 43mm diameter
- Case Thickness: 13.5mm
- Movement: IWC Cal. 35720

IWC Ingenieur Chronograph Sport Fly-back IW380901, Limited Edition, Titanium, Complete
This is a limited edition of 500 pieces, sold originally from an IWC Authorized Dealer on November 16, 2017. The watch features a black dial with luminescent hands and markers, black sub-dials, and great lume.
- Condition: Pre-owned, excellent condition
- Case material: Titanium
- Diameter: 44.3 mm
- Thickness: 15.1 mm
IWC INGENIEUR IW451501 Mid-size 34mm Stainless Steel
This IWC Ingenieur Mid Size 34mm is a mechanical automatic watch with date function, housed in a stainless steel case. The watch is in good condition, with no box and no papers.
- Condition: 90%
- Size: 34mm
- Case material: Stainless Steel
- Movement type: Mechanical Automatic
IWC Ingenieur Chronograph Edition “RUDOLF CARACCIOLA” 750 Pcs IW380702
- Condition: 90%
- Size: 42mm diameter
- Function: Date / Chronograph
- Case material: Stainless Steel

IWC Ingenieur Automatic - 40mm - Blue Dial - IW328907 ( unworn / 2025 )
Up for sale is an unworn condition IWC Ingenieur Automatic 40mm Blue Dial reference # IW328907. It comes complete with all boxes, papers, booklet, tools, hang tag and IWC Warranty Card dated May 2025.
- Condition: Unworn Condition / Complete Set
- Case material: Stainless Steel
- Movement type: Automatic
- Calibre: IWC 32111