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 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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

IWC Ingenieur 40 Aqua Dial, Pristine Condition, w/ service papers from IWC and Box

IWC - IW324-001 · $10,500

This is a listing for an IWC Ingenieur 40 Aqua Dial, with service papers from the manufacturer and included box.

Condition: Pristine
Water resistance: 30 bar
Service papers from iwc and box:

Posted at

Apr 10, 2026, 12:01 PM

Active

View listing on r/WatchExchange

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

IWC - IW378401 · $6,500

A watch for those who want a true chronograph tool with the elegance to double as a statement piece — robust for everyday use, refined for evenings. This timepiece combines heavy-duty engineering with fine watchmaking.

Case size: 45.5mm
Material: stainless steel
Band material: leather

Posted at

Apr 8, 2026, 6:49 PM

Active

View listing on r/WatchExchange

IWC Ingenieur IW357001 Under Warranty till 2031 $2,600

IWC - IW357001 · $2,600

The IWC Ingenieur IW3570 combines a classic design with modern functionality, featuring a date complication and balanced proportions.

Condition: Pre-owned
Case Size: 40mm diameter
Case Thickness: 10.3mm
Lug Width: 20mm

Posted at

Apr 7, 2026, 11:36 AM

Active

View listing on r/WatchExchange

IWC Ingenieur Automatic 40 IW328904 | Titanium | Near-Mint | Full Set

IWC - IW328904 · $13,250

The IWC Ingenieur Automatic 40 (Ref. IW328904) in titanium with grey grid dial is a modern reinterpretation of the iconic Gerald Genta-inspired integrated sports watch, featuring a lightweight and versatile design with a titanium case and bracelet.

Condition: Near-Mint
Case material: Titanium
Case dimensions: 40mm diameter | 10.8mm thickness
Dial color: Grey

Posted at

Apr 6, 2026, 10:26 PM

Active

View listing on r/WatchExchange