IWC Ingenieur Ingenieur Chronograph Racer Ardoise / Strap

Reference IW3785-07

IWC Ingenieur Chronograph Racer Ardoise / Strap

About this watch

The IWC IW3785-07 Ingenieur Chronograph Racer Ardoise is a masterpiece of horology, blending elegance and sportiness in perfect harmony. This stunning timepiece boasts a 45mm stainless steel case, adorned with stick and dot indexes on its grey dial, often referred to as Ardoise. The tachymeter bezel adds a touch of functionality, while the sapphire glass ensures scratch-free durability. At its core lies the IWC caliber 89361, a self-winding flyback chronograph movement that boasts an impressive 68-hour power reserve and operates at 28,800 vibrations per hour. This engineering marvel is both accurate and reliable, perfect for timing your morning run or keeping track of meetings. With a water resistance of up to 120 meters, the IW3785-07 can handle life's adventures with ease. The high-quality strap balances style and comfort, making it suitable for all-day wear. Whether you're a professional, an athlete, or simply someone who appreciates fine craftsmanship, this watch is perfect for anyone who desires a reliable companion for everyday wear and special occasions. Its unique blend of style, function, and brand prestige makes it a solid choice for collectors and enthusiasts alike.

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MSRP: $12,200

Market Price: $5,345

Key Features

45mm stainless steel case
Grey Ardoise dial with stick and dot indexes
Tachymeter bezel for measuring speed
IWC caliber 89361 self-winding flyback chronograph movement
68-hour power reserve
Water resistance up to 120 meters
Sapphire glass for scratch-free durability

Specifications

Brand

IWC

Family

Ingenieur

Model

Ingenieur Chronograph Racer Ardoise / Strap

Reference

IW3785-07

Movement

89361

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph, Flyback

Case

Stainless Steel 45mm

Dial Color

Grey

Crystal

Sapphire

Water Resistance

120

Current Listings

IWC Ingenieur Ref. 323904 – 40mm White Dial w/ Integrated Bracelet – Full Kit

IWC - 323904 · $4,895

IWC Ingenieur Ref. 323904 is a 40mm integrated bracelet sports watch that carries the DNA of the legendary Gérald Genta-designed IWC Ingenieur SL of the 1970s.

Condition: Pre-owned with scratches and small dings consistent with a decade of wear
Case diameter: 40mm
Thickness: 10mm
Water resistance: 120m

Posted at

Feb 12, 2026, 3:27 PM

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IWC Ingenieur Automatic IW357001 $2,650

IWC - IW357001 · $2,650

The IWC Ingenieur IW3570 is a well-crafted watch that combines classic design with modern functionality. It has balanced proportions, comfortable wearability, and quality finishing. The watch draws heavily from the original 1950s Ingenieur ref. 666.

Condition: Pre-owned with some scratches on the polished bezel but no dings or dents
Movement: IWC Caliber 35111 (Sellita SW300-1a based, built to IWC specs)
Power reserve: 42 hours
Case size: 40mm diameter

Posted at

Feb 10, 2026, 11:12 AM

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BNIB IWC Ingenieur 40 Blue Dial - Bought from AD 2025, All Boxes/Papers/8yr IWC Warranty

IWC - Ingenieur 40 · $11,000

This IWC Ingenieur 40 features a stunning steel blue dial in a checkerboard pattern and has a fully tool-less design for re-sizing the bracelet. It's beautifully finished, comparable to Jaeger-LeCoultre.

Condition: Brand new in box
Purchase year: 2025
Origin: Authorized Dealer

Posted at

Feb 9, 2026, 6:29 PM

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IWC Ingenieur Automatic 40 Full Steel Black Dial 2017 (Full-Set/Unpolished)

IWC - IW323902 · $5,475

This IWC Ingenieur Automatic 40 is a full steel black dial watch from 2017. It features a stainless steel case and bracelet, a professional serviced movement, and a pressure tested to 3 ATM (30 meters). The watch comes as a complete set with original boxes, booklets, and bracelet adjustment pins.

Condition: Excellent overall condition with only light, honest signs of wear
Size: 40mm diameter
Year: 2017
Water Resistance: 30m (3 ATM)

Posted at

Feb 6, 2026, 3:59 PM

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BNIB IWC Ingenieur 40 Steel Blue - Never Worn, Brand New from AD (Jul-2025) with all Boxes/Papers/Warranty

IWC - Ingenieur 40 Steel Blue · $12,000

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

Condition: Brand New, Never Worn
Purchase date: July 2025
From ad: Yes, bought from Authorized Dealer

Posted at

Feb 1, 2026, 1:08 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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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

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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

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