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.
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MSRP: $12,400
Market Price: $5,430

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] IWC Ingenieur Chronograph Limited Rudolph Caracciola Racing Edition Ref IW380702

IWC Ingenieur Chronograph Limited Rudolph Caracciola Racing Edition Ref IW380702

IWC - IW380702 · $3,450
A limited edition IWC Ingenieur Chronograph, released in honor of Rudolf Caracciola, featuring a gray sunburst dial and in-house chronograph caliber 69370 movement.

  • Condition: Super clean, light wear
  • Movement: In house automatic chronograph caliber 69370
  • Case Size: 42MM stainless case, unpolished
  • Diameter: 40mm diameter
Posted at
Apr 27, 2026, 9:26 PM
Active
[WTS] IWC Big Ingenieur Flyback Chronograph – Guilloché Dial – Box & Papers

IWC Big Ingenieur Flyback Chronograph – Guilloché Dial – Box & Papers

IWC - IW378401 · $6,500
A timepiece that combines heavy-duty engineering with fine watchmaking, featuring a guilloché dial and flyback chronograph functionality.

  • Case size: 45.5mm diameter
  • Power reserve: 68h
  • Movement type: in-house Calibre 89360
Posted at
Apr 25, 2026, 3:14 PM
Active
[WTS] IWC Ingenieur Automatic 40mm Titanium IW328904 ( unworn / 2025 / box and papers )

IWC Ingenieur Automatic 40mm Titanium IW328904 ( unworn / 2025 / box and papers )

IWC - IW328904 · $14,450
Up for sale is an unworn IWC Ingenieur Automatic 40mm Grey Dial Titanium watch, complete with all boxes, papers, and tools.

  • Condition: Unworn
  • Case size: 40mm diameter
  • Movement: IWC 32111 Calibre
Posted at
Apr 24, 2026, 1:54 PM
Active
[WTS] Limited Edition IWC Ingenieur Chronograph Rudolph Caracciola Ref IW380702

Limited Edition IWC Ingenieur Chronograph Rudolph Caracciola Ref IW380702

IWC - IW380702 · $3,550
A limited edition IWC Ingenieur Chronograph released in 2016 to honor Rudolf Caracciola, featuring a gray sunburst dial with racing red pops and an in-house chronograph caliber 69370 movement.

  • Condition: Super clean, light wear
  • Case diameter: 42mm
  • Movement type: In house automatic chronograph
Posted at
Apr 20, 2026, 9:09 PM
Active
[WTS] IWC Ingenieur 40mm Aqua Dial, Fully Serviced by IWC, Full Kit Plus Service Papers

IWC Ingenieur 40mm Aqua Dial, Fully Serviced by IWC, Full Kit Plus Service Papers

A modern take on the Ingenieur design with a unique Aqua dial that catches the light beautifully. This watch is in great condition and comes with service papers, box, and full kit.

  • Condition: Fantastic, fully serviced by IWC
  • Case Size: 40mm diameter
  • Dial Color: Aqua
Posted at
Apr 19, 2026, 12:44 PM
Active
[WTS] IWC Ingenieur Automatic 40 IW328904 | Titanium | Grey Grid Dial | Near-Mint Full Set | $12,500 Shipped

IWC Ingenieur Automatic 40 IW328904 | Titanium | Grey Grid Dial | Near-Mint Full Set | $12,500 Shipped

IWC - IW328904 · $12,500
This IWC Ingenieur Automatic 40 is a recent release with a great wrist presence, excellent finishing, and added comfort of titanium. It comes with a full set including boxes, travel case, and other accessories.

  • Condition: Near-mint
  • Case material: Titanium
  • Dial color: Grey Grid
Posted at
Apr 16, 2026, 6:10 PM
Active
[WTS] IWC Ingenieur Automatic 40 IW328904 | Titanium | Near-Mint | Full Set

IWC Ingenieur Automatic 40 IW328904 | Titanium | Near-Mint | Full Set

IWC - IW328904 · $13,250
The IWC Ingenieur Automatic 40 is a modern reinterpretation of the iconic Gerald Genta-inspired integrated sports watch, featuring a titanium case and grey grid dial. It's lightweight, versatile, and powered by IWC’s in-house Calibre 32111.

  • Condition: Near-Mint
  • Case material: Titanium
  • Diameter: 40mm
  • Thickness: 10.8mm
Posted at
Apr 14, 2026, 10:12 PM
Active
[WTS] IWC Ingenieur Automatic 40mm Titanium IW328904 ( unworn / 2025 / box and papers )

IWC Ingenieur Automatic 40mm Titanium IW328904 ( unworn / 2025 / box and papers )

IWC - IW328904 · $14,950
This IWC Ingenieur Automatic is a 40mm grey dial titanium watch with an automatic movement. It comes complete with all original boxes, papers, and tools.

  • Condition: unworn
  • Case size: 40mm diameter
  • Movement type: automatic
Posted at
Apr 14, 2026, 1:26 PM
Active
[WTS] IWC Ingenieur Automatic 40mm Aqua IW328903 ( unworn / 2025 / box and papers )

IWC Ingenieur Automatic 40mm Aqua IW328903 ( unworn / 2025 / box and papers )

IWC - IW328903 · $10,250
Up for sale is an unworn IWC Ingenieur Automatic 40mm Aqua Dial reference # IW328903, complete with all boxes and papers. It features a stainless steel case and the IWC 32111 Calibre Movement.

  • Condition: Unworn
  • Movement: IWC 32111 Calibre Movement
  • Case size: 40mm diameter
  • Depth rating: unknown
Posted at
Apr 14, 2026, 1:20 PM
Active