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 Perpetual Calendar IW379201 Black Dial 46mm - $22,900

IWC - IW379201 · $22,900

The IWC Ingenieur Perpetual Calendar IW379201 is a bold and technically impressive timepiece that blends the industrial design language of the Ingenieur line with one of watchmaking’s most respected complications.

Condition: Excellent
Size: 46mm diameter
Water resistance: 120m depth rating
Movement: IWC automatic perpetual calendar chronograph movement with ~68 hours power reserve

Posted at

Mar 21, 2026, 12:23 PM

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IWC Ingenieur Automatic Aqua Blue IW328903

IWC - IW328903 · $10,200

This watch comes as a complete set and is available for sale.

Condition: Very good pre-owned condition
Shipping: overnight via Miami, FL
Insurance: insured

Posted at

Mar 18, 2026, 10:07 AM

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BNIB Jul-2025 IWC Ingenieur 40 Blue - from AD w. All Boxes/Papers/8yr IWC Warranty

IWC - Ingenieur 40 Blue · $10,750

The IWC Ingenieur 40 blue is a re-introduction of one of Genta's big three integrated bracelet steel sports watch designs. It features a stunning steel blue dial in a checkerboard pattern and a fully tool-less design bracelet.

Condition: New, unworn (BNIB)
Year Bought: 2025
Size: 40mm diameter
Material: Steel

Posted at

Mar 16, 2026, 12:55 PM

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IWC Ingenieur Aqua Dial IW328903🔥Preowned 2024, $9500+✈️🔥

IWC - IW328903 · $9,500

The seller is listing an IWC Ingenieur Aqua Dial from 2024. The watch has been worn carefully and still has aftermarket protection stickers, along with its original box and card.

Condition: Preowned
Shipping cost (us): 85
Tariffs included: yes

Posted at

Mar 15, 2026, 11:37 PM

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IWC Ingenieur Black Dial IW323902 🔥Preowned Complete, 5k+✈️🔥

IWC - IW323902 · $5,000

This IWC Ingenieur features a black dial and comes complete with its box and card.

Condition: Preowned
Shipping-costs-us-states: $85
Payment-methods: Wire, Credit Card
Authentication-assurance: Authenticity & Trust is of utmost importance to us.

Posted at

Mar 14, 2026, 12:30 AM

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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.

Case diameter: 45.5mm
Movement: in-house Calibre 89360

Posted at

Mar 11, 2026, 8:53 PM

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IWC Ingenieur Automatic IW357001 $2,599

IWC - IW357001 · $2,599

The IWC Ingenieur IW3570 is a well-crafted, comfortable, and aesthetically pleasing watch that combines a classic design with modern functionality. The watch has balanced proportions, comfortable wearability, and quality finishing make it a strong contender in its category.

Condition: pre-owned with minor scratches on bezel
Case Size: 40mm diameter
Movement: IWC Caliber 35111 (Sellita SW300-1a based)
Power Reserve: 42 hours

Posted at

Mar 11, 2026, 1:36 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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