IWC Ingenieur Big Ingenieur Chronograph Steel / Black / Strap

Reference IW3784-01

IWC Big Ingenieur Chronograph Steel / Black / Strap

About this watch

The IWC Big Ingenieur Chronograph, a stunning representation of IWC's commitment to precision engineering and craftsmanship. This watch is a statement piece that commands attention with its bold black dial and striking stainless steel case. The 45.50 mm round case is robust yet refined, perfectly suited for both casual and formal occasions. Featuring sapphire glass, the watch is resistant to scratches, ensuring it maintains its pristine look over time. The open case back allows a peek into the intricate workings of the IWC caliber 89360 movement, engineered to perfection with a power reserve of 68 hours and 40 jewels. The chronograph functionality, complete with a flyback feature, provides precise measurements for any activity. With a water resistance of 120 meters, this watch is capable of handling splashes and can even accompany you on snorkeling adventures. Its unique design, robust features, and comfortable fit make it a worthy investment for those who appreciate fine horology.

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MSRP: $12,400

Market Price: $5,430

Key Features

IWC caliber 89360 automatic movement
Chronograph functionality with flyback feature
Water resistance up to 120 meters
Sapphire glass crystal
45.50 mm stainless steel case
Black dial with white sub-dials
Date display and small seconds sub-dial

Specifications

Brand

IWC

Family

Ingenieur

Model

Big Ingenieur Chronograph Steel / Black / Strap

Reference

IW3784-01

Movement

89360

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph, Flyback

Case

Stainless Steel 45.5mm

Dial Color

Black

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 Teal ($10,500)

IWC - IW328903 · $10,500

This IWC Ingenieur Teal features a teal dial in a 40mm case. It's dated March 2024 and comes with additional items.

Condition: very good
Diameter: 40mm

Posted at

Mar 9, 2026, 2:50 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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