IWC Ingenieur Ingenieur SL Automatic Stainless Steel / Silver / Bracelet

Reference IW3505-03

About this watch

The IWC Ingenieur IW3505-03 embodies luxury with its elegant design, robust engineering, and timeless style. This stainless steel watch boasts a polished finish, exuding a sense of sophistication. The silver dial features stick indexes and hands that glide smoothly over the dial, showcasing precision. With a water resistance of 120 meters, this watch is perfect for everyday wear and adventurous outings. At its core lies the IWC caliber 375 movement, based on the reliable ETA 2892 mechanism. This self-winding mechanism ensures durability and accuracy, with a frequency of 28800 vibrations per hour and a power reserve of 42 hours. The IW3505-03 is a piece of horological history, produced between 1983 and 1990 for engineers and scientists who value precision and reliability.
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Key Features

  • Elegant stainless steel case
  • Polished finish
  • Silver dial with stick indexes and hands
  • IWC caliber 375 movement
  • Water resistance of 120 meters
  • Self-winding mechanism with 42-hour power reserve

Specifications

Brand
IWC
Family
Ingenieur
Model
Ingenieur SL Automatic Stainless Steel / Silver / Bracelet
Reference
IW3505-03
Movement
375
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 34mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
120

Current Listings

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

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

IWC - IW328904 · $14,450
This IWC Ingenieur Automatic 40mm Titanium watch features a grey dial and comes complete with all boxes, papers, booklets, tools, and an IWC Warranty Card. It is in unworn condition.

  • Condition: Unworn
  • Case size: 40mm diameter
  • Movement: IWC Calibre 32111
Posted at
May 6, 2026, 1:17 PM
Active
[WTS] 2024 IWC Ingenieur Titanium IW328904 - Full Set with Extended Warranty

2024 IWC Ingenieur Titanium IW328904 - Full Set with Extended Warranty

IWC - IW328904 · $13,299
  • Condition: Pristine pre-owned condition
  • Case Size: 40mm diameter
  • Case Thickness: 10.8mm
  • Water Resistance: 100m / 330ft depth rating
Posted at
May 6, 2026, 9:24 AM
Active
[WTS] IWC Ingenieur Chronograph Limited Edition Rudolph Caracciola Racing Ref IW380702

IWC Ingenieur Chronograph Limited Edition Rudolph Caracciola Racing Ref IW380702

IWC - IW380702 · $3,350
A limited edition IWC Ingenieur Chronograph in honor of Rudolf Caracciola, featuring a gray sunburst dial and stainless case. It's powered by the in-house chronograph caliber 69370 movement.

  • Condition: Super clean condition, with light wear as expected
  • Case size: 42MM
  • Movement type: In-house automatic chronograph
Posted at
May 5, 2026, 9:38 PM
Active
[WTS] IWC Ingenieur Automatic 42 – Full Ceramic – IW338903 – Complete Set

IWC Ingenieur Automatic 42 – Full Ceramic – IW338903 – Complete Set

IWC - IW338903 · $17,500
The IWC Ingenieur Automatic 42 Ceramic features a full black ceramic case and integrated bracelet, offering exceptional scratch resistance while keeping the watch lightweight and comfortable on the wrist. The textured grid dial, bold indices, and signature bezel design give it a strong, technical presence that stands apart from typical steel sports models. This modern take on the Ingenieur line blends Gérald Genta-inspired design with ceramic materials.

  • Condition: Mint all around condition
  • Case material: full black ceramic
  • Bracelet type: integrated ceramic
  • Movement: IWC 82110 automatic in-house movement
Posted at
May 2, 2026, 2:36 PM
Active
[WTS] IWC Ingenieur Automatic 40mm Black IW328901 ( excellent / 2025 / box and papers )

IWC Ingenieur Automatic 40mm Black IW328901 ( excellent / 2025 / box and papers )

IWC - IW328901 · $9,950
A pre-owned IWC Ingenieur Automatic 40mm Black Dial watch in excellent condition, complete with all original boxes, papers, and accessories.

  • Condition: Excellent
  • Case size: 40mm
Posted at
May 1, 2026, 2:03 PM
Active
[WTS] IWC Ingenieur Automatic 40 IW328904 Titanium Complete

IWC Ingenieur Automatic 40 IW328904 Titanium Complete

IWC - IW328904 · $14,250
The IWC Ingenieur Automatic 40 is a masterclass in engineering-driven design, blending heritage and innovation into one of the most compelling modern luxury sports watches. Crafted from titanium, the 40mm case and integrated bracelet deliver exceptional comfort while maintaining a bold presence on the wrist.

  • Condition: Mint condition
  • Movement: Caliber 32111 automatic
  • Power reserve: 120 hours
  • Case material: Titanium
Posted at
May 1, 2026, 12:02 PM
Active
[WTS] IWC Ingenieur Chronograph Limited Rudolph Caracciola Racing Edition Ref IW380702

IWC Ingenieur Chronograph Limited Rudolph Caracciola Racing Edition Ref IW380702

IWC - IW380702 · $3,450
A limited edition IWC Ingenieur Chronograph, released in honor of Rudolf Caracciola, featuring a gray sunburst dial and in-house chronograph caliber 69370 movement.

  • Condition: Super clean, light wear
  • Movement: In house automatic chronograph caliber 69370
  • Case Size: 42MM stainless case, unpolished
  • Diameter: 40mm diameter
Posted at
Apr 27, 2026, 9:26 PM
Active
[WTS] IWC Big Ingenieur Flyback Chronograph – Guilloché Dial – Box & Papers

IWC Big Ingenieur Flyback Chronograph – Guilloché Dial – Box & Papers

IWC - IW378401 · $6,500
A timepiece that combines heavy-duty engineering with fine watchmaking, featuring a guilloché dial and flyback chronograph functionality.

  • Case size: 45.5mm diameter
  • Power reserve: 68h
  • Movement type: in-house Calibre 89360
Posted at
Apr 25, 2026, 3:14 PM
Active
[WTS] IWC Ingenieur Automatic 40mm Titanium IW328904 ( unworn / 2025 / box and papers )

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
Active