IWC Ingenieur Ingenieur SL Automatic Stainless Steel / Yellow Gold / Black / Bracelet

Reference IW3505-07

IWC Ingenieur SL Automatic Stainless Steel / Yellow Gold / Black / Bracelet

About this watch

The IWC IW3505-07 Ingenieur SL Automatic is a stunning blend of stainless steel and yellow gold, paired with a sleek black dial. This iconic timepiece has captured the hearts of many since its production between 1983 and 1990. The elegant design combines heritage and style, making it suitable for both formal and casual occasions. With its self-winding automatic movement, this watch features a remarkable balance between reliability and precision, ensuring accuracy and durability. The IWC caliber 375 boasts 42-hour power reserve and a frequency of 28,800 vibrations per hour, featuring 21 jewels that reduce friction and enhance longevity. The water resistance of 120 meters allows for everyday wear and light water activities, making it an ideal choice for business and formal wear. This watch is more than just a timepiece; it's an embodiment of luxury, style, and Swiss precision.

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Key Features

Stainless Steel & Yellow Gold Case
Black Dial with Stick / Dot Indexes
IWC Caliber 375 Self-Winding Automatic Movement
42-Hour Power Reserve and 28,800 Vibrations per Hour
120 Meters Water Resistance
Sapphire Glass
Comfortable Round Case Size

Specifications

Brand

IWC

Family

Ingenieur

Model

Ingenieur SL Automatic Stainless Steel / Yellow Gold / Black / Bracelet

Reference

IW3505-07

Movement

375

Movement Features

Hours, Minutes, Seconds
Date

Case

34mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

120

Current Listings

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

IWC - IW328904 · $14,450

Up for sale is an unworn IWC Ingenieur Automatic 40mm Grey Dial Titanium watch, complete with all boxes, papers, and tools.

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

Posted at

Apr 24, 2026, 1:54 PM

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Limited Edition IWC Ingenieur Chronograph Rudolph Caracciola Ref IW380702

IWC - IW380702 · $3,550

A limited edition IWC Ingenieur Chronograph released in 2016 to honor Rudolf Caracciola, featuring a gray sunburst dial with racing red pops and an in-house chronograph caliber 69370 movement.

Condition: Super clean, light wear
Case diameter: 42mm
Movement type: In house automatic chronograph

Posted at

Apr 20, 2026, 9:09 PM

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IWC Ingenieur 40mm Aqua Dial, Fully Serviced by IWC, Full Kit Plus Service Papers

IWC - Ingenieur 40mm Aqua Dial · $9,100

A modern take on the Ingenieur design with a unique Aqua dial that catches the light beautifully. This watch is in great condition and comes with service papers, box, and full kit.

Condition: Fantastic, fully serviced by IWC
Case Size: 40mm diameter
Dial Color: Aqua

Posted at

Apr 19, 2026, 12:44 PM

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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 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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