IWC Ingenieur Ingenieur SL Automatic Stainless Steel / Champagne / Bracelet

Reference IW3505-04

IWC Ingenieur SL Automatic Stainless Steel / Champagne / Bracelet

About this watch

The IWC IW3505-04 Ingenieur SL Automatic is a masterpiece of luxury watchmaking, combining precision engineering with exquisite design. Founded in 1868, IWC Schaffhausen has been pushing boundaries while staying true to its roots. The sleek champagne-colored dial exudes elegance, making it suitable for both formal and casual occasions. The round stainless-steel case feels robust yet lightweight on the wrist, a perfect balance of strength and sophistication. At the core of this timepiece is the IWC caliber 375, a self-winding movement based on the renowned ETA 2892, promising accuracy and reliability. With its impressive water resistance of up to 120 meters and sapphire glass protection, this watch can handle any situation with ease. The adjustable bracelet ensures a snug fit without feeling constricting, making it perfect for professionals, collectors, or anyone looking to add a touch of elegance to their watch collection.

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Key Features

IWC caliber 375 self-winding movement
Sapphire glass protection
120m water resistance
Adjustable stainless steel bracelet
Champagne-colored dial with stick and dot indexes

Specifications

Brand

IWC

Family

Ingenieur

Model

Ingenieur SL Automatic Stainless Steel / Champagne / Bracelet

Reference

IW3505-04

Movement

375

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 34mm

Crystal

Sapphire

Water Resistance

120

Current Listings

IWC Ingenieur Blue Dial Automatic 40 | IW328907 | 2025 | Full Set | Factory Warranty Until 2033

IWC - IW328907 · $9,850

The IWC Ingenieur Automatic 40 is a modern reinterpretation of one of IWC’s most iconic integrated-bracelet sports watches, originally designed in the 1970s by Gérald Genta. It preserves the bold industrial character of the original SL design while refining every proportion for contemporary wearability and precision finishing.

Condition: Excellent with minor hairlines
Case size: 40mm diameter
Water resistance: 100m depth rating
Power reserve: 120-hour power reserve

Posted at

Jan 28, 2026, 12:03 AM

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: IWC Micro Adjust Clasp for Ingenieur 40 and MK XX

IWC · $375

A preowned IWC microadjust clasp in excellent condition for sale.

Condition: preowned, excellent
Compatible Models: IWC Ingenieur 40 (IW32890x), MK XX
Price From Msrp: $460

Posted at

Jan 22, 2026, 6:56 PM

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

IWC - IW323902 · $5,475

This IWC Ingénieur Ref. IW323902 is a modern classic offered in never polished stainless steel, featuring a black dial and technical aesthetic.

Condition: Excellent overall condition
Case material: Stainless steel
Bracelet type: Stainless steel bracelet
Bracelet links: All links included

Posted at

Jan 22, 2026, 10:19 AM

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: IWC Ingenieur 40 Blue Dial IW328907 + EXTRAS (adjustable clasp, links)

IWC - IW328907 · $9,300

The IWC Ingenieur Automatic is a 40mm blue dial watch with an IWC 32111 Calibre Movement. It features additional extras such as an adjustable clasp, links, and comes with all original boxes, papers, and warranty.

Condition: Excellent plus
Movement: IWC 32111 Calibre
Accessories: [object Object],[object Object],[object Object]

Posted at

Jan 18, 2026, 5:08 PM

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IWC Ingenieur Automatic IW357001 $2,650

IWC - IW357001 · $2,650

This previous generation IWC Ingenieur IW3570 is a well-crafted, comfortable, and aesthetically pleasing watch that combines a classic design with modern functionality. It features a date complication and has balanced proportions for comfortable wearability.

Condition: Pre-owned with minor scratches on polished bezel
Case size: 40mm diameter
Movement: IWC Caliber 35111 (Sellita SW300-1a based)
Power reserve: 42 hours

Posted at

Jan 16, 2026, 12:10 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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