IWC Ingenieur Ingenieur SL Automatic Stainless Steel / Yellow Gold / Champagne / Bracelet
Reference IW3505-09
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.
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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
![[WTS] IWC Ingenieur Chronograph Limited Rudolph Caracciola Racing Edition Ref IW380702](https://preview.redd.it/h0reosn53uxg1.jpg?width=640&crop=smart&auto=webp&s=8ac5f46b4ef93330a9116d3b584030b68befb0e0)
IWC Ingenieur Chronograph Limited Rudolph Caracciola Racing Edition Ref IW380702
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
![[WTS] IWC Big Ingenieur Flyback Chronograph – Guilloché Dial – Box & Papers](https://preview.redd.it/r8nkfpfqydxg1.jpeg?auto=webp&s=85eb27d86382739ce25984229f8dd91b29502b5e)
IWC Big Ingenieur Flyback Chronograph – Guilloché Dial – Box & Papers
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
![[WTS] IWC Ingenieur Automatic 40mm Titanium IW328904 ( unworn / 2025 / box and papers )](https://preview.redd.it/92vmt439f6xg1.jpg?width=640&crop=smart&auto=webp&s=09e5ba32a478866139e7ac1d5ce77ee8153f1c39)
IWC Ingenieur Automatic 40mm Titanium IW328904 ( unworn / 2025 / box and papers )
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
![[WTS] Limited Edition IWC Ingenieur Chronograph Rudolph Caracciola Ref IW380702](https://preview.redd.it/yzgtg70p1gwg1.jpg?width=640&crop=smart&auto=webp&s=59ffc29a044fea5f4cd4d7bcc557e1313d9e8f2c)
Limited Edition IWC Ingenieur Chronograph Rudolph Caracciola Ref IW380702
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
![[WTS] IWC Ingenieur 40mm Aqua Dial, Fully Serviced by IWC, Full Kit Plus Service Papers](https://preview.redd.it/9tka0ofle6wg1.jpg?width=640&crop=smart&auto=webp&s=0ef6cca60c5a7d515964892ec4d2a1df6311960a)
IWC Ingenieur 40mm Aqua Dial, Fully Serviced by IWC, Full Kit Plus Service Papers
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
![[WTS] IWC Ingenieur Automatic 40 IW328904 | Titanium | Grey Grid Dial | Near-Mint Full Set | $12,500 Shipped](https://preview.redd.it/7wxx5hx4mmvg1.jpg?width=640&crop=smart&auto=webp&s=0313c0908d408cd9dba2bb238b2ea9354e9b40a3)
IWC Ingenieur Automatic 40 IW328904 | Titanium | Grey Grid Dial | Near-Mint Full Set | $12,500 Shipped
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
IWC Ingenieur Automatic - IW323902 - Black - Stainless Steel - 39mm - Mint
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
IWC Ingenieur Automatic - 40mm - Black Dial - IW328901 ( unworn / 2025 )
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
1980's IWC Ingenieur Ref. IW3506 with Box
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