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

Reference IW3505-06

About this watch

The IWC Ingenieur SL Automatic is a luxury watch that beautifully marries tradition with innovation. Its stunning combination of stainless steel and yellow gold provides both durability and sophistication. The round case measures 34.00 mm in diameter and stands at a slim 8.60 mm in height, making it suitable for various wrist sizes. A classic white dial adorned with stick and dot indexes offers a clean and crisp look, while the simplicity of the design allows for easy reading. The IWC caliber 375, a self-winding movement, boasts a 42-hour power reserve and is based on the reliable ETA 2892. This watch is not only a functional accessory but also a piece of history, representing an era of exquisite craftsmanship.
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Key Features

  • Stainless Steel and Yellow Gold Case
  • IWC Caliber 375 Self-Winding Movement
  • 42-Hour Power Reserve
  • 120-Meter Water Resistance
  • Sapphire Glass Crystal
  • Date Feature at 3 o'clock Position
  • Timeless Classic Design

Specifications

Brand
IWC
Family
Ingenieur
Model
Ingenieur SL Automatic Stainless Steel / Yellow Gold / White / Bracelet
Reference
IW3505-06
Movement
375
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
34mm
Dial Color
White
Crystal
Sapphire
Water Resistance
120

Current Listings

[WTS] IWC Ingenieur blue dial

IWC Ingenieur blue dial

IWC - Ingenieur · $9,500
A well-maintained IWC Ingenieur with blue dial is available for sale. The watch features a 40mm diameter and comes with box, papers, micro adjust clasp, original butterfly clasp, and extra links.

  • Condition: Excellent, minor scratches on micro adjust clasp and links
  • Case Diameter: 40mm
  • Water Resistance Depth: 100m
  • Power Reserve Duration: 120 hours
Posted at
Jan 2, 2026, 11:40 AM
Active
[WTS] IWC Ingenieur Automatic 40 Full Steel Black Dial 2017 (Full-Set/Unpolished)

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

IWC - IW323902 · $10,850
This IWC Ingenieur Automatic 40 is a modern classic in excellent condition. The black dial offers strong legibility and a balanced aesthetic. The watch comes complete with original boxes and papers.

  • Condition: Excellent overall condition, with light honest signs of wear
  • Case diameter: 40mm
  • Water resistance: 3 ATM (30 meters)
  • Bracelet: stainless steel with all links
Posted at
Dec 27, 2025, 4:39 AM
Active
[WTS] IWC Ingenieur Aqua Green IW328903

IWC Ingenieur Aqua Green IW328903

IWC - IW328903 · $8,950
The watch features a beautiful Aqua Green dial and is in excellent condition, with only minor hairlines on the middle links.

  • Condition: 9/10, minor hairlines on middle links
  • Case material: polished steel
  • Warranty status: active until September 3, 2032
Posted at
Dec 25, 2025, 11:13 AM
Active
IWC Ingenieur Automatic  - IW323902 - Black - Stainless Steel - 39mm - Mint

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
Active
IWC Ingenieur Automatic - 40mm - Black Dial - IW328901 ( unworn / 2025 )

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
Active
1980's IWC Ingenieur Ref. IW3506 with Box

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
Active
IWC Ingenieur Aqua Green IW328903 LNIB

IWC Ingenieur Aqua Green IW328903 LNIB

IWC - IW328903 · $8,350
A pristine IWC Ingenieur with an Aqua Green dial, complete with warranty card and other original accessories.

  • Condition: Like New in Box (LNIB)
  • Year: 2024
  • Warranty card: present
Posted at
Mar 20, 2025, 1:28 PM
Active
BNIB IWC IW328904 Ingenieur TITANIUM 40 NEW MODEL Grey Dial 2025

BNIB IWC IW328904 Ingenieur TITANIUM 40 NEW MODEL Grey Dial 2025

IWC - IW328904 · $12,500
This is a brand new IWC Ingenieur model with a grey dial and titanium case. It comes in full box/papers and has the remaining manufacturer warranty.

  • Condition: Brand new, unworn
  • Material: Titanium
  • Case size: 40mm diameter
Posted at
Mar 19, 2025, 5:54 PM
Active
IWC Ingenieur Automatic - 40mm - Aqua Dial - IW328903 ( excellent / 2025 )

IWC Ingenieur Automatic - 40mm - Aqua Dial - IW328903 ( excellent / 2025 )

IWC - IW328903 · $7,950
A 40mm stainless steel IWC Ingenieur Automatic with an Aqua Dial and IWC 32111 Calibre Movement, coming with a complete set including boxes, papers, booklets, tools, hang tag, and IWC Warranty Card.

  • Condition: Excellent
  • Case size: 40mm
  • Movement: IWC 32111 Calibre
Posted at
Mar 19, 2025, 3:10 PM
Active