IWC Ingenieur Ingenieur SL Automatic Stainless Steel / Yellow Gold / Black / Bracelet
Reference IW3505-07
About this watch
The IWC IW3505-07 Ingenieur SL Automatic is a stunning blend of stainless steel and yellow gold, paired with a sleek black dial. This iconic timepiece has captured the hearts of many since its production between 1983 and 1990. The elegant design combines heritage and style, making it suitable for both formal and casual occasions. With its self-winding automatic movement, this watch features a remarkable balance between reliability and precision, ensuring accuracy and durability. The IWC caliber 375 boasts 42-hour power reserve and a frequency of 28,800 vibrations per hour, featuring 21 jewels that reduce friction and enhance longevity. The water resistance of 120 meters allows for everyday wear and light water activities, making it an ideal choice for business and formal wear. This watch is more than just a timepiece; it's an embodiment of luxury, style, and Swiss precision.
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Key Features
- Stainless Steel & Yellow Gold Case
- Black Dial with Stick / Dot Indexes
- IWC Caliber 375 Self-Winding Automatic Movement
- 42-Hour Power Reserve and 28,800 Vibrations per Hour
- 120 Meters Water Resistance
- Sapphire Glass
- Comfortable Round Case Size
Specifications
- Brand
- IWC
- Family
- Ingenieur
- Model
- Ingenieur SL Automatic Stainless Steel / Yellow Gold / Black / Bracelet
- Reference
- IW3505-07
- Movement
- 375
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- 34mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 120
Current Listings
![[WTS] IWC Ingenieur 40 Aqua, Box and Papers, Factory Serviced and unworn since. Full Kit.](https://preview.redd.it/rf6nnbjc7r1h1.jpg?width=640&crop=smart&auto=webp&s=22fc7477ab1a177b6631cd71e6f05c24cf30af83)
IWC Ingenieur 40 Aqua, Box and Papers, Factory Serviced and unworn since. Full Kit.
A beautiful IWC Ingenieur 40 Aqua with an amazing dial design that catches the light.
- Condition: Unworn since IWC service, fantastic condition
- Box and papers included: true
- Factory serviced: true
- Service papers included: true
![[WTS] IWC Ingenieur Automatic 40 Titanium IW328904 — Rhodium Grid Dial — 2025 Full Set](https://preview.redd.it/wlx5q4iu7h1h1.jpg?width=640&crop=smart&auto=webp&s=c884cd13b7db1bde7fe5e41ea19b7b0a9a1da847)
IWC Ingenieur Automatic 40 Titanium IW328904 — Rhodium Grid Dial — 2025 Full Set
This is a 2025 IWC Ingenieur Automatic 40 in Grade 5 titanium, featuring a sand-blasted and polished case, rhodium Grid dial, and integrated titanium bracelet. It has an in-house Calibre 32111 with 120-hour power reserve and anti-magnetic protection.
- Condition: Excellent
- Case material: Grade 5 titanium
- Case dimensions: 40mm x 10.7mm, 45.7mm lug-to-lug
- Bracelet material: Grade 5 titanium
![[WTS] PRICE DROP! IWC Ingenieur Chronograph Limited Racing Edition Ref IW380702](https://preview.redd.it/ysjuys5y7t0h1.jpg?width=640&crop=smart&auto=webp&s=bca9537db1cc26ecd53e65347f9cb0aa3f01ba34)
PRICE DROP! IWC Ingenieur Chronograph Limited Racing Edition Ref IW380702
This IWC Ingenieur Chronograph Limited Racing Edition features a gray sunburst dial with racing red pops and an in-house automatic chronograph caliber 69370 movement.
- Condition: Super clean, light wear as expected
- Case size: 42MM
- Diameter: 42MM diameter
- Movement type: In house automatic chronograph
![[WTS] IWC Ingenieur Automatic Black Ceramic 42mm IW338903 ( unworn / 2026 / box and papers )](https://preview.redd.it/sm0xkdh2cj0h1.jpg?width=640&crop=smart&auto=webp&s=d32a911d545875769328c8725653ad8a3e70d245)
IWC Ingenieur Automatic Black Ceramic 42mm IW338903 ( unworn / 2026 / box and papers )
This IWC Ingenieur Automatic is a 42mm black ceramic watch with an automatic movement and comes with all original boxes, papers, and warranty.
- Condition: Unworn
- Case size: 42mm diameter
- Movement: IWC 82110 Calibre Movement
![[WTS] IWC Ingenieur Automatic 40mm Blue IW328907 ( unworn / 2026 / box and papers )](https://preview.redd.it/yyp57jhz9j0h1.jpg?width=640&crop=smart&auto=webp&s=54b33c89419fc9d0250d8883a93df59426a6f0cc)
IWC Ingenieur Automatic 40mm Blue IW328907 ( unworn / 2026 / box and papers )
This IWC Ingenieur Automatic watch features a 40mm stainless steel case and IWC 32111 calibre movement. It comes with a blue dial and is complete with all boxes, papers, and tools.
- Condition: unworn
- Case material: stainless steel
- Movement: IWC 32111 Calibre
- Shipping cost international: 150
![[WTS] IWC Ingenieur ref. 3305 | Gerald Genta Design](https://preview.redd.it/80tpk4nc4d0h1.jpeg?auto=webp&s=a78cddcda667955d659a6b7e89b6580262978262)
IWC Ingenieur ref. 3305 | Gerald Genta Design
The IWC Ingenieur ref. 3305 is a refined luxury steel sports watch with a white graph paper dial, designed by Gérald Genta and features a screwed-in bezel and integrated H-link bracelet.
- Condition: Very good overall condition
- Case Diameter: 34 mm
- Case Thickness: 8.8 mm
- Dial Type: White Graph Paper Mesh
![[WTS] IWC Ingenieur Automatic 42 – Full Ceramic – Complete Set Mint Condition – IW338903](https://preview.redd.it/fip6uhiqlc0h1.jpeg?auto=webp&s=c1dc709c3ae8eed3c929fba5eef88bac227c421b)
IWC Ingenieur Automatic 42 – Full Ceramic – Complete Set Mint Condition – IW338903
The IWC Ingenieur Automatic 42 Ceramic features a full black ceramic case and integrated bracelet, with exceptional scratch resistance and a lightweight design. The textured grid dial, bold indices, and signature bezel design give it a strong, technical presence.
- Condition: Mint all around condition
- Movement: IWC 82110 automatic in-house movement
- Water Resistance: 100m depth rating
- Case Size: 42mm diameter
![[WTS] IWC Ingenieur Automatic 40 IW328904 Titanium Complete](https://preview.redd.it/r1v3dioct50h1.jpg?width=640&crop=smart&auto=webp&s=9691508a65b0d42119ed7ecfaab49879ecafd314)
IWC Ingenieur Automatic 40 IW328904 Titanium Complete
The IWC Ingenieur Automatic 40 IW328904 is a masterclass in engineering-driven design, blending heritage, innovation, and everyday wearability into one of the most compelling modern luxury sports watches on the market. Crafted from lightweight yet highly durable titanium, the 40mm case and integrated bracelet deliver exceptional comfort while maintaining a bold, technical presence on the wrist.
- Condition: Mint condition
- Material: Titanium
- Case size: 40mm diameter
- Water resistance: unknown
![[WTS] IWC Ingenieur Automatic 40mm Titanium IW328904 ( unworn / 2025 / box and papers )](https://preview.redd.it/t3qajr3lvjzg1.jpg?width=640&crop=smart&auto=webp&s=7d01bbfb773dc19057e63cad8d282367c747797f)
IWC Ingenieur Automatic 40mm Titanium IW328904 ( unworn / 2025 / box and papers )
This IWC Ingenieur Automatic 40mm Titanium watch features a grey dial and comes complete with all boxes, papers, booklets, tools, and an IWC Warranty Card. It is in unworn condition.
- Condition: Unworn
- Case size: 40mm diameter
- Movement: IWC Calibre 32111