IWC Ingenieur Big Ingenieur Chronograph 'DFB'

Reference IW3784-04

About this watch

The IWC Ingenieur IW3784-04 Big Ingenieur Chronograph 'DFB' is a masterpiece of luxury watchmaking. This limited edition timepiece combines exceptional craftsmanship with innovative engineering, resulting in a piece that's both functional and aesthetically stunning. Its stainless steel case gleams under the light, showcasing the meticulous polish and finish that IWC is known for. The sapphire glass covering the dial is scratch-resistant, ensuring your watch maintains its pristine condition even after years of use. Plus, the open case back gives enthusiasts a peek into the intricate workings of the movement, a feature that adds to its allure. The Big Ingenieur Chronograph 'DFB' boasts a robust automatic mechanism, with a power reserve of 68 hours and a water resistance rating of 120 meters. Its chronograph function allows you to measure elapsed time, while the flyback feature means you can reset the chronograph with a single push of a button. This is particularly useful for timing multiple events in succession, making it a favorite among sports enthusiasts. With its striking design, remarkable movement, and limited availability, this watch stands as a testament to what luxury watchmaking should be about.

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Key Features

45.50 mm stainless steel case
Sapphire crystal glass
IWC caliber 89361 self-winding movement
Chronograph function with flyback feature
Water resistance up to 120 meters
Limited production of just 250 units

Specifications

Brand

IWC

Family

Ingenieur

Model

Big Ingenieur Chronograph 'DFB'

Reference

IW3784-04

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

IWC Ingenieur Automatic – Black Ceramic Case & Bracelet – 42mm IW338903 – Complete set

IWC - IW338903 · $17,500

The IWC Ingenieur Automatic 42 Ceramic features a black ceramic case and integrated bracelet, offering exceptional scratch resistance and a strong technical presence.

Condition: Mint all around condition
Movement: IWC 82110 automatic in-house movement
Water resistance: 100m depth rating
Dimensions: 42mm diameter

Posted at

May 25, 2026, 1:23 PM

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IWC Ingenieur 40mm Full Set from 2025

IWC - IW328901 · $9,500

Condition: Minor scuffs on bezel/case
Case Size: 40mm diameter
Lug To Lug: <50"
Water Resistance: 100m depth rating

Posted at

May 23, 2026, 7:31 PM

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IWC Schaffhausen Ingenieur “AMG” full ceramic | 2014 Full set | $3,950 OBO

IWC Schaffhausen - IW322503 · $3,950

This 2014 IWC Schaffhausen Ingenieur 'AMG' features a black ceramic bezel and case, inspired by Mercedes AMG disc brakes. The watch has a clean sapphire crystal and comes in its full set with papers and box.

Condition: good with minor scratching on the case
Case material: full ceramic
Case size: 44mm diameter
Strap condition: great with little wear

Posted at

May 18, 2026, 4:19 PM

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IWC Ingenieur Automatic 42 – Full Ceramic – IW338903 – Complete Set Mint Condition

IWC - IW338903 · $17,500

The IWC Ingenieur Automatic 42 is a modern take on the Ingenieur line, featuring a full black ceramic case and integrated bracelet with exceptional scratch resistance. The watch has a textured grid dial, bold indices, and signature bezel design giving it a strong technical presence.

Condition: Mint Condition
Movement: IWC 82110 in-house automatic
Water Resistance: 100m / 10 bar
Case Size: 42mm diameter

Posted at

May 18, 2026, 2:23 PM

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IWC Ingenieur 40 Aqua, Box and Papers, Factory Serviced and unworn since. Full Kit.

IWC - Ingenieur 40 Aqua · $9,100

A beautiful IWC Ingenieur 40 Aqua with an amazing dial design that catches the light.

Condition: Unworn since IWC service, fantastic condition
Box and papers included: true
Factory serviced: true
Service papers included: true

Posted at

May 17, 2026, 4:01 PM

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IWC Ingenieur Automatic 40 Titanium IW328904 — Rhodium Grid Dial — 2025 Full Set

IWC - IW328904 · $12,300

This is a 2025 IWC Ingenieur Automatic 40 in Grade 5 titanium, featuring a sand-blasted and polished case, rhodium Grid dial, and integrated titanium bracelet. It has an in-house Calibre 32111 with 120-hour power reserve and anti-magnetic protection.

Condition: Excellent
Case material: Grade 5 titanium
Case dimensions: 40mm x 10.7mm, 45.7mm lug-to-lug
Bracelet material: Grade 5 titanium

Posted at

May 16, 2026, 6:27 AM

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PRICE DROP! IWC Ingenieur Chronograph Limited Racing Edition Ref IW380702

IWC - IW380702 · $3,250

This IWC Ingenieur Chronograph Limited Racing Edition features a gray sunburst dial with racing red pops and an in-house automatic chronograph caliber 69370 movement.

Condition: Super clean, light wear as expected
Case size: 42MM
Diameter: 42MM diameter
Movement type: In house automatic chronograph

Posted at

May 12, 2026, 9:44 PM

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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

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