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

Reference IW3505-09

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

About this watch

The IWC IW3505-09 Ingenieur SL Automatic is a luxury timepiece that marries elegance with performance, featuring a stunning blend of stainless steel and yellow gold. Its champagne dial exudes warmth, while stick and dot indexes provide a classic touch. The watch is powered by the IWC Caliber 375, a self-winding movement based on the ETA 2892, offering precision and reliability. With a water resistance of 120 meters, this watch can handle swimming, snorkeling, or simply being caught in the rain without breaking a sweat. Its elegant design allows it to transition effortlessly between formal and informal settings, making it suitable for daily use without sacrificing style.

Buy Now on Jomashop

This is an affiliate link

Key Features

Stainless Steel and Yellow Gold Case
Sapphire Glass for Scratch Resistance
120m Water Resistance
IWC Caliber 375 Self-Winding Movement
42-Hour Power Reserve
28,800 VPH Frequency
Analog Display with Stick Hands

Specifications

Brand

IWC

Family

Ingenieur

Model

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

Reference

IW3505-09

Movement

375

Movement Features

Hours, Minutes, Seconds
Date

Case

34mm

Crystal

Sapphire

Water Resistance

120

Current Listings

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

View listing on r/WatchExchange

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

View listing on r/WatchExchange

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

View listing on r/WatchExchange

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

View listing on r/WatchExchange

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

View listing on r/WatchExchange

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

View listing on r/WatchExchange

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

View listing on r/WatchExchange

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

View listing on RolexForums