IWC Ingenieur Big Ingenieur Chronograph Steel / Black / Strap
Reference IW3784-01
About this watch
The IWC Big Ingenieur Chronograph, a stunning representation of IWC's commitment to precision engineering and craftsmanship. This watch is a statement piece that commands attention with its bold black dial and striking stainless steel case. The 45.50 mm round case is robust yet refined, perfectly suited for both casual and formal occasions. Featuring sapphire glass, the watch is resistant to scratches, ensuring it maintains its pristine look over time. The open case back allows a peek into the intricate workings of the IWC caliber 89360 movement, engineered to perfection with a power reserve of 68 hours and 40 jewels. The chronograph functionality, complete with a flyback feature, provides precise measurements for any activity. With a water resistance of 120 meters, this watch is capable of handling splashes and can even accompany you on snorkeling adventures. Its unique design, robust features, and comfortable fit make it a worthy investment for those who appreciate fine horology.
Key Features
- IWC caliber 89360 automatic movement
- Chronograph functionality with flyback feature
- Water resistance up to 120 meters
- Sapphire glass crystal
- 45.50 mm stainless steel case
- Black dial with white sub-dials
- Date display and small seconds sub-dial
Specifications
- Brand
- IWC
- Family
- Ingenieur
- Model
- Big Ingenieur Chronograph Steel / Black / Strap
- Reference
- IW3784-01
- Movement
- 89360
- 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] BNIB IWC Ingenieur 40 Steel Blue - Never Worn, Brand New from AD (Jul-2025) with all Boxes/Papers/Warranty](https://preview.redd.it/bfijqpyibxgg1.jpg?width=640&crop=smart&auto=webp&s=3ade5ff2ea63ea5185d368ebee14d47a99b67cfd)
BNIB IWC Ingenieur 40 Steel Blue - Never Worn, Brand New from AD (Jul-2025) with all Boxes/Papers/Warranty
A re-introduction of one of Genta's big three integrated bracelet steel sports watch designs, the IWC Ingenieur 40 features a stunning steel blue dial in a checkerboard pattern and a fully tool-less design.
- Condition: Brand New, Never Worn
- Purchase date: July 2025
- From ad: Yes, bought from Authorized Dealer
![[WTS] IWC Ingenieur IW323902](https://preview.redd.it/874ppvvecrgg1.jpg?width=640&crop=smart&auto=webp&s=dd74a7ba942aba56a8cc2c388d33bb10089d1abf)
IWC Ingenieur IW323902
A IWC Ingenieur IW323902 second owner's watch, featuring a 40mm case diameter with a 42hr power reserve and 100m water resistance.
- Condition: Excellent preowned condition
- Case diameter: 40mm
- Thickness: 10mm
- Movement: IWC 30110 automatic
![[WTS] IWC Ingenieur Automatic 40 Full Steel Black Dial 2017 (Full-Set/Unpolished)](https://preview.redd.it/tqsddiur1dgg1.jpg?width=640&crop=smart&auto=webp&s=bf12582bc9f422a84414f58f24dc074bccfc726c)
IWC Ingenieur Automatic 40 Full Steel Black Dial 2017 (Full-Set/Unpolished)
This IWC Ingenieur Automatic 40 is a modern classic with a clean and well-preserved black dial, strong legibility, and technical aesthetic. The stainless steel case shows light signs of wear while maintaining its original factory finish and proportions.
- Condition: Excellent overall condition, light signs of wear on the case
- Size: 40mm diameter
- Year: 2017
- Water Resistance: 30m depth rating
![[WTS] IWC Ingenieur Blue Dial Automatic 40 | IW328907 | 2025 | Full Set | Factory Warranty Until 2033](https://preview.redd.it/iohaxr7sv0gg1.jpg?width=640&crop=smart&auto=webp&s=0c60e3a8957782ce6432194f31fff11dbdd2c78e)
IWC Ingenieur Blue Dial Automatic 40 | IW328907 | 2025 | Full Set | Factory Warranty Until 2033
The IWC Ingenieur Automatic 40 is a modern reinterpretation of one of IWC’s most iconic integrated-bracelet sports watches, originally designed in the 1970s by Gérald Genta. It preserves the bold industrial character of the original SL design while refining every proportion for contemporary wearability and precision finishing.
- Condition: Excellent with minor hairlines
- Case size: 40mm diameter
- Water resistance: 100m depth rating
- Power reserve: 120-hour power reserve
IWC Ingenieur Automatic - IW323902 - Black - Stainless Steel - 39mm - Mint
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
IWC Ingenieur Automatic - 40mm - Black Dial - IW328901 ( unworn / 2025 )
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
1980's IWC Ingenieur Ref. IW3506 with Box
The IWC Ingenieur Ref. IW3506 is a vintage watch originally launched in 1955 as an anti-magnetic timepiece for engineers, featuring a soft iron inner case and IWC's Caliber 852. The Reference 3506 was introduced in the mid-1980s, offering a more wearable size with refined details like gold hour markers and a graph paper textured dial.
- Condition: Vintage-Good
- Movement: Automatic
- Case Width: 35mm diameter
- Strap Length: 7.50 inches
IWC Ingenieur Aqua Green IW328903 LNIB
A pristine IWC Ingenieur with an Aqua Green dial, complete with warranty card and other original accessories.
- Condition: Like New in Box (LNIB)
- Year: 2024
- Warranty card: present
BNIB IWC IW328904 Ingenieur TITANIUM 40 NEW MODEL Grey Dial 2025
This is a brand new IWC Ingenieur model with a grey dial and titanium case. It comes in full box/papers and has the remaining manufacturer warranty.
- Condition: Brand new, unworn
- Material: Titanium
- Case size: 40mm diameter