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 Automatic 40 IW328904 | Titanium | Grey Grid Dial | Near-Mint Full Set | $12,500 Shipped

IWC - IW328904 · $12,500

This IWC Ingenieur Automatic 40 is a recent release with a great wrist presence, excellent finishing, and added comfort of titanium. It comes with a full set including boxes, travel case, and other accessories.

Condition: Near-mint
Case material: Titanium
Dial color: Grey Grid

Posted at

Apr 16, 2026, 6:10 PM

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IWC Ingenieur Automatic 40 IW328904 | Titanium | Near-Mint | Full Set

IWC - IW328904 · $13,250

The IWC Ingenieur Automatic 40 is a modern reinterpretation of the iconic Gerald Genta-inspired integrated sports watch, featuring a titanium case and grey grid dial. It's lightweight, versatile, and powered by IWC’s in-house Calibre 32111.

Condition: Near-Mint
Case material: Titanium
Diameter: 40mm
Thickness: 10.8mm

Posted at

Apr 14, 2026, 10:12 PM

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IWC Ingenieur Automatic 40mm Titanium IW328904 ( unworn / 2025 / box and papers )

IWC - IW328904 · $14,950

This IWC Ingenieur Automatic is a 40mm grey dial titanium watch with an automatic movement. It comes complete with all original boxes, papers, and tools.

Condition: unworn
Case size: 40mm diameter
Movement type: automatic

Posted at

Apr 14, 2026, 1:26 PM

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IWC Ingenieur Automatic 40mm Aqua IW328903 ( unworn / 2025 / box and papers )

IWC - IW328903 · $10,250

Up for sale is an unworn IWC Ingenieur Automatic 40mm Aqua Dial reference # IW328903, complete with all boxes and papers. It features a stainless steel case and the IWC 32111 Calibre Movement.

Condition: Unworn
Movement: IWC 32111 Calibre Movement
Case size: 40mm diameter
Depth rating: unknown

Posted at

Apr 14, 2026, 1:20 PM

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IWC Ingenieur 40 Aqua Dial, Pristine Condition, w/ service papers from IWC and Box

IWC - IW324-001 · $10,500

This is a listing for an IWC Ingenieur 40 Aqua Dial, with service papers from the manufacturer and included box.

Condition: Pristine
Water resistance: 30 bar
Service papers from iwc and box:

Posted at

Apr 10, 2026, 12:01 PM

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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. This timepiece combines heavy-duty engineering with fine watchmaking.

Case size: 45.5mm
Material: stainless steel
Band material: leather

Posted at

Apr 8, 2026, 6:49 PM

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IWC Ingenieur IW357001 Under Warranty till 2031 $2,600

IWC - IW357001 · $2,600

The IWC Ingenieur IW3570 combines a classic design with modern functionality, featuring a date complication and balanced proportions.

Condition: Pre-owned
Case Size: 40mm diameter
Case Thickness: 10.3mm
Lug Width: 20mm

Posted at

Apr 7, 2026, 11:36 AM

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IWC Ingenieur Automatic 40 IW328904 | Titanium | Near-Mint | Full Set

IWC - IW328904 · $13,250

The IWC Ingenieur Automatic 40 (Ref. IW328904) in titanium with grey grid dial is a modern reinterpretation of the iconic Gerald Genta-inspired integrated sports watch, featuring a lightweight and versatile design with a titanium case and bracelet.

Condition: Near-Mint
Case material: Titanium
Case dimensions: 40mm diameter | 10.8mm thickness
Dial color: Grey

Posted at

Apr 6, 2026, 10:26 PM

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2024 IWC Ingenieur Automatic 40 Ref. IW328903 Aqua Full Kit

IWC - IW328903 · $9,600

A 2024 IWC Ingenieur Automatic 40 Ref. IW328903 Aqua Full Kit is being sold with a clean crystal, pristine dial, and automatic movement running well.

Condition: Great condition overall, light signs of wear on stainless steel case and integrated bracelet
Case size: 40mm diameter
Movement type: Automatic

Posted at

Apr 6, 2026, 9:50 PM

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