IWC Ingenieur Big Ingenieur Chronograph Rose Gold / Black / Strap

Reference IW3784-02

About this watch

The IWC - IW3784-02 Big Ingenieur Chronograph Rose Gold / Black / Strap is a masterpiece of luxury timepieces, blending precision with elegance. Its robust rose gold construction and bold case diameter of 45.50 mm make it a statement piece on the wrist. The combination of rose gold and black is timeless and sophisticated, while the tachymeter bezel adds functionality and style. With its highly accurate IWC caliber 89360 movement, multiple functionalities including chronograph and flyback, and water resistance up to 120 meters, this watch is perfect for those who lead an active lifestyle. The IWC Big Ingenieur Chronograph is a legacy timepiece that will appreciate in value over time, making it a smart choice for collectors.
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Key Features

  • IWC Caliber 89360 Automatic Movement
  • Rose Gold Construction
  • Tachymeter Bezel
  • Water Resistance up to 120 meters
  • Chronograph and Flyback Functionality
  • Black Dial with Stick and Dot Indexes

Specifications

Brand
IWC
Family
Ingenieur
Model
Big Ingenieur Chronograph Rose Gold / Black / Strap
Reference
IW3784-02
Movement
89360
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Flyback
Case
Rose Gold 45.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
120

Current Listings

[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
[WTS] IWC Ingenieur 40 Aqua Dial, Pristine Condition, w/ service papers from IWC and Box

IWC Ingenieur 40 Aqua Dial, Pristine Condition, w/ service papers from IWC and Box

IWC - IW324-001 · $10,500
This is a listing for an IWC Ingenieur 40 Aqua Dial, with service papers from the manufacturer and included box.

  • Condition: Pristine
  • Water resistance: 30 bar
  • Service papers from iwc and box:
Posted at
Apr 10, 2026, 12:01 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 watch for those who want a true chronograph tool with the elegance to double as a statement piece — robust for everyday use, refined for evenings. This timepiece combines heavy-duty engineering with fine watchmaking.

  • Case size: 45.5mm
  • Material: stainless steel
  • Band material: leather
Posted at
Apr 8, 2026, 6:49 PM
Active
[WTS] IWC Ingenieur IW357001 Under Warranty till 2031 $2,600

IWC Ingenieur IW357001 Under Warranty till 2031 $2,600

IWC - IW357001 · $2,600
The IWC Ingenieur IW3570 combines a classic design with modern functionality, featuring a date complication and balanced proportions.

  • Condition: Pre-owned
  • Case Size: 40mm diameter
  • Case Thickness: 10.3mm
  • Lug Width: 20mm
Posted at
Apr 7, 2026, 11:36 AM
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 (Ref. IW328904) in titanium with grey grid dial is a modern reinterpretation of the iconic Gerald Genta-inspired integrated sports watch, featuring a lightweight and versatile design with a titanium case and bracelet.

  • Condition: Near-Mint
  • Case material: Titanium
  • Case dimensions: 40mm diameter | 10.8mm thickness
  • Dial color: Grey
Posted at
Apr 6, 2026, 10:26 PM
Active
[WTS] 2024 IWC Ingenieur Automatic 40 Ref. IW328903 Aqua Full Kit

2024 IWC Ingenieur Automatic 40 Ref. IW328903 Aqua Full Kit

IWC - IW328903 · $9,600
A 2024 IWC Ingenieur Automatic 40 Ref. IW328903 Aqua Full Kit is being sold with a clean crystal, pristine dial, and automatic movement running well.

  • Condition: Great condition overall, light signs of wear on stainless steel case and integrated bracelet
  • Case size: 40mm diameter
  • Movement type: Automatic
Posted at
Apr 6, 2026, 9:50 PM
Active