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 40mm IW328907

IWC Ingenieur 40mm IW328907

IWC - IW328907 · $7,000
The IWC Ingenieur 40 is a 2023 redesign of the legendary watch, featuring a blue dial and technical data such as automatic winding and a 120-hour power reserve.

  • Condition: full set
  • Case diameter: 40mm
  • Height: 10.7mm
  • Water resistance: 10.0 bar
Posted at
Jun 4, 2025, 4:04 PM
Active
IWC Ingenieur Perpetual Calendar Digital date Chronograph Rose Gold Titanium IW379203

IWC Ingenieur Perpetual Calendar Digital date Chronograph Rose Gold Titanium IW379203

IWC - IW379203 · $24,570.002
This IWC Ingenieur Perpetual Calendar Digital date Chronograph is a limited edition Rose Gold Titanium watch featuring a mechanical automatic movement and perpetual calendar/chronograph functions.

  • Condition: 90%
  • Case size: 46mm
  • Movement type: Mechanical Automatic (cal. 89802)
  • Material: Rose Gold / Titanium
Posted at
Jun 3, 2025, 11:16 AM
Active
IWC Ingenieur Automatic  - IW323902 - Black - Stainless Steel - 39mm - Mint

IWC Ingenieur Automatic - IW323902 - Black - Stainless Steel - 39mm - Mint

IWC - IW323902 · $5,495
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
Posted at
Apr 8, 2025, 12:56 AM
Active
IWC Ingenieur Automatic - 40mm - Black Dial - IW328901 ( unworn / 2025 )

IWC Ingenieur Automatic - 40mm - Black Dial - IW328901 ( unworn / 2025 )

IWC - IW328901 · $9,995
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
Posted at
Mar 28, 2025, 3:41 PM
Active
1980's IWC Ingenieur Ref. IW3506 with Box

1980's IWC Ingenieur Ref. IW3506 with Box

IWC - IW3506 · $5,950
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
Posted at
Mar 27, 2025, 1:34 PM
Active
IWC Ingenieur Aqua Green IW328903 LNIB

IWC Ingenieur Aqua Green IW328903 LNIB

IWC - IW328903 · $8,350
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
Posted at
Mar 20, 2025, 1:28 PM
Active
BNIB IWC IW328904 Ingenieur TITANIUM 40 NEW MODEL Grey Dial 2025

BNIB IWC IW328904 Ingenieur TITANIUM 40 NEW MODEL Grey Dial 2025

IWC - IW328904 · $12,500
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
Posted at
Mar 19, 2025, 5:54 PM
Active
IWC Ingenieur Automatic - 40mm - Aqua Dial - IW328903 ( excellent / 2025 )

IWC Ingenieur Automatic - 40mm - Aqua Dial - IW328903 ( excellent / 2025 )

IWC - IW328903 · $7,950
A 40mm stainless steel IWC Ingenieur Automatic with an Aqua Dial and IWC 32111 Calibre Movement, coming with a complete set including boxes, papers, booklets, tools, hang tag, and IWC Warranty Card.

  • Condition: Excellent
  • Case size: 40mm
  • Movement: IWC 32111 Calibre
Posted at
Mar 19, 2025, 3:10 PM
Active
IWC Ingenieur Double Chronograph Titanium IW376501

IWC Ingenieur Double Chronograph Titanium IW376501

IWC - IW376501 · $5,460
The IWC Ingenieur Double Chronograph Titanium IW376501 is a men's watch with a size of 46mm and features a mechanical automatic movement. It has a double chronograph function.

  • Condition: 90%
  • Case material: titanium
  • Size: 46mm
Posted at
Mar 9, 2025, 9:03 AM
Active