IWC Ingenieur Ingenieur SL Automatic Stainless Steel / Black / Bracelet
Reference IW3505-02
About this watch
The IWC IW3505-02 Ingenieur SL Automatic is a masterclass in horological craftsmanship that embodies elegance and functionality. Its sleek design, sophisticated movements, and robust stainless steel construction make it a statement piece for watch enthusiasts and collectors. The IWC caliber 375 self-winding movement ensures accurate timekeeping and longevity with its impressive power reserve of 42 hours. This watch is designed for practicality, suitable for swimming and snorkeling, and features a water resistance rating of 120 meters. Its timeless design strikes the perfect balance between elegance and wearability, making it an ideal choice for those who appreciate fine craftsmanship and classic aesthetics.
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Key Features
- IWC Caliber 375 Self-Winding Movement
- Robust Stainless Steel Construction
- Water Resistance up to 120 Meters
- 42-Hour Power Reserve
- Timeless Design with Sleek Profile
- Sapphire Glass
- Limited Availability due to Production Years
Specifications
- Brand
- IWC
- Family
- Ingenieur
- Model
- Ingenieur SL Automatic Stainless Steel / Black / Bracelet
- Reference
- IW3505-02
- Movement
- 375
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- Stainless Steel 34mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 120
Current Listings
![[WTS] IWC Ingenieur GMT White Dial Just Returned From IWC Service Ref IW324404](https://preview.redd.it/zzq6qe6p2dwf1.jpeg?auto=webp&s=59008a15fa9a400c8f7d8b62786aa1ac7eb3688a)
IWC Ingenieur GMT White Dial Just Returned From IWC Service Ref IW324404
A modern iteration of the IWC Ingenieur GMT with a white and blue dial, featuring a date function, GMT hand, and an integrated stainless steel bracelet. The watch has just returned from full service at IWC.
- Condition: Fantastic, with wear throughout but still looks great
- Case size: 43mm
- Bracelet length: up to 7.25 inches (with extra link)
- Straps included: original stainless integrated bracelet,aftermarket black rubber strap
![[WTS] IWC Ingenieur. Automatic. 🔥](https://preview.redd.it/lwqgkmws0yvf1.jpeg?auto=webp&s=1e828e1880f534f9ccff5824b257a90c2d785434)
IWC Ingenieur. Automatic. 🔥
The IWC Ingenieur is an automatic watch with a see-through caseback, available for sale.
- See through caseback: true
- Location: NJ USA
- Shipping details: Fedex with insurance, globally accepted
![[WTS] IWC Ingenieur IW323902](https://preview.redd.it/vh7y4pbhuxvf1.jpg?width=640&crop=smart&auto=webp&s=ed9cc41f20079ab87025147f321c57c37d65ef47)
IWC Ingenieur IW323902
A IWC Ingenieur IW323902 in excellent preowned condition, featuring a 40mm case diameter and automatic movement.
- Condition: Excellent preowned condition
- Case Diameter: 40mm
- Thickness: 10mm
- Movement: IWC 30110 automatic
![[WTS]: IWC Ingenieur 40 Blue Dial IW328907](https://preview.redd.it/mfbp4t8mkwvf1.jpg?width=640&crop=smart&auto=webp&s=15b1531a2345602be1e89587eb542e97919485a9)
: IWC Ingenieur 40 Blue Dial IW328907
For sale is an IWC Ingenieur Automatic 40mm Blue Dial reference # IW328907, complete with all boxes, papers, booklet, tools, hang tag and IWC Warranty Card dated August 2025.
- Condition: excellent plus
- Movement: IWC 32111 Calibre
- Box And Papers: complete with all
- Warranty Card Date: August 2025
![[WTS] IWC Ingenieur Automatic Ref. IW323906 — 40 mm - Full Set](https://preview.redd.it/edjs1wsdzsvf1.jpg?width=640&crop=smart&auto=webp&s=8ffa826e8c868ae6416e292523dc353f78862248)
IWC Ingenieur Automatic Ref. IW323906 — 40 mm - Full Set
The IWC Ingenieur Automatic Ref. IW323906 is a modern evolution of the original design by Gérald Genta, featuring a 40 mm stainless-steel case and a silver dial with rose-gold hour and minute hands.
- Condition: Very good overall
- Case Diameter: 40 mm
- Thickness: 10 mm
- Lug To Lug: 50 mm
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
IWC Ingenieur Aqua Green IW328903 LNIB
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