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

[WTS] IWC Ingenieur Titanium 40mm (2024)

IWC Ingenieur Titanium 40mm (2024)

IWC - IW328904 · $11,500
A IWC Ingenieur Titanium 40mm watch in mint condition, purchased new in 2024 with warranty still active. It features a power reserve of approximately 120 hours and a water resistance of 100M.

  • Condition: Mint condition, one owner
  • Size: 40mm
  • Thickness: 10.8 mm
  • Power reserve: Approximately 120 hrs
Posted at
Jun 13, 2025, 7:27 PM
Active
IWC Ingenieur White Dial IW323906 Automatic Steel 40mm

IWC Ingenieur White Dial IW323906 Automatic Steel 40mm

IWC - IW323906 · $4,420.004
The IWC Ingenieur Automatic 40mm features a white dial and is powered by a mechanical automatic movement. It has a stainless steel case and displays the date.

  • Condition: 95%
  • Case size: 40mm
  • Movement type: Mechanical Automatic
Posted at
Jun 12, 2025, 8:41 AM
Active
IWC Ingenieur Automatic - 40mm - Aqua Dial - IW328903 ( excellent / 2024 )

IWC Ingenieur Automatic - 40mm - Aqua Dial - IW328903 ( excellent / 2024 )

IWC - IW328903 · $8,950.009
Up for sale is an excellent condition IWC Ingenieur Automatic 40mm Aqua Dial reference # IW328903. It comes with all boxes, papers, booklets, tools, and IWC Warranty Card dated April 2024.

  • Condition: Excellent Condition / April 2024
  • Case material: Stainless Steel
  • Movement: IWC 32111 Calibre Movement
  • Case size: 40mm diameter
Posted at
Jun 10, 2025, 3:41 PM
Active
IWC Ingenieur GMT IW324404 Automatic Steel 43mm

IWC Ingenieur GMT IW324404 Automatic Steel 43mm

IWC - IW324404 · $3,770.004
The IWC Ingenieur GMT is a white dial watch featuring a mechanical automatic movement and date/GMT function, housed in a stainless steel case with a size of 43mm.

  • Condition: 95%
  • Case material: Stainless Steel
  • Movement type: Mechanical Automatic
Posted at
Jun 10, 2025, 8:47 AM
Active
IWC Ingenieur White Dial IW323906 Automatic Steel 40mm

IWC Ingenieur White Dial IW323906 Automatic Steel 40mm

IWC - IW323906 · $4,420.004
This IWC Ingenieur White Dial IW323906 is a 40mm automatic steel watch with date function. It features a stainless steel case and mechanical automatic movement.

  • Condition: 90%
  • Case size: 40mm diameter
  • Case material: Stainless Steel
Posted at
Jun 7, 2025, 1:53 PM
Active
IWC Ingenieur IW323902 – Full Kit + OEM Rubber Strap + Fresh IWC Service

IWC Ingenieur IW323902 – Full Kit + OEM Rubber Strap + Fresh IWC Service

IWC - IW323902 · $6,500.007
The IWC Ingenieur Automatic is a refined and robust timepiece that pays homage to the classic Genta design. It features a sleek 39mm stainless steel case, black dial with luminous markers and hands, and a soft-iron inner cage for anti-magnetic properties.

  • Condition: Excellent overall
  • Case Size: 39mm
  • Water Resistance: 120m / 12 bar
  • Movement Type: IWC Caliber 30110 (ETA 2892-A2 base)
Posted at
Jun 7, 2025, 12:20 PM
Active
[WTS] IWC Ingenieur Titanium 40mm (2024)

IWC Ingenieur Titanium 40mm (2024)

IWC - IW328904 · $11,500
Up for sale is a IWC Ingenieur Titanium 40mm (2024), a watch with a 40mm diameter, 10.8mm thickness, and various features such as a power reserve of approximately 120 hours and water resistance of 100 meters.

  • Condition: mint condition
  • Size: 40mm diameter
  • Thickness: 10.8 mm
  • Power reserve: 120 hours
Posted at
Jun 6, 2025, 4:52 PM
Active
2024 IWC Ingenieur Automatic 40mm Titanium IW328904 Full Set

2024 IWC Ingenieur Automatic 40mm Titanium IW328904 Full Set

IWC - IW328904 · $11,950.001
This is a 2024 IWC Ingenieur Automatic watch with a 40mm titanium case. It comes in its original inner and outer box set, including a sleeve, fully linked booklet, warranty card dated March 25th, 2024, and polish cloth.

  • Condition: Pre-owned, excellent condition with minor wear from being worn a handful of times
  • Case material: titanium
  • Case size: 40mm
  • Movement type: automatic
Posted at
Jun 5, 2025, 10:05 PM
Active
[WTS] 2024 IWC Ingenieur Automatic 40mm IW328903 Stainless Steel Aqua Dial - $8,500

2024 IWC Ingenieur Automatic 40mm IW328903 Stainless Steel Aqua Dial - $8,500

IWC - IW328903 · $8,500
2024 IWC Ingenieur Automatic 40mm stainless steel watch with an Aqua dial.

  • Material: stainless steel
Posted at
Jun 5, 2025, 9:59 AM
Active