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
IWC 3239 Ingenieur Automatic, 3239-06, 40MM
The IWC Ingenieur Automatic features a stainless steel case on a matching bracelet, powered by the Calibre 30110 movement with a 42-hour power reserve. The watch has a silver dial with rose gold hour markers and hands, and is water-resistant to 120 meters.
- Condition: Excellent
- Movement type: Automatic
- Case material: Stainless steel
- Bracelet material: Stainless steel

Platinum IWC Big Ingenieur Chronograph Fly-back, IW378403, Limited Ed. Complete
The watch is a rare, limited edition IWC Big Ingenieur Chronograph Fly-back with a Solid Platinum Case, Rhodium Textured Dial, and Black Sub-Dials. It features a 3784-03 chronograph complication, fly-back function, and 68 hours Power Reserve.
- Condition: Very good, some scuffs and small scratches from careful use
- Case material: Solid Platinum
- Diameter: 40mm
- Thickness: 15mm

IWC Ingenieur Automatic 40 Blue Dial IW328907 � 2024 Unworn
The IWC Ingenieur Automatic 40 Blue Dial is a newly released model with a blue dial, featuring an unworn condition and included accessories such as boxes, booklet, and warranty card.
- Condition: Unworn
- Year of release: 2024
- Diameter: 40mm

IWC Ingenieur Automatic - 40mm - Blue Dial - IW328907 ( unworn / 2025 )
This listing features an unworn IWC Ingenieur Automatic 40mm Blue Dial watch, complete with all original boxes, papers, and accessories.
- Condition: Unworn / Complete Set
- Case Material: Stainless Steel
- Movement: IWC 32111 Calibre
IWC Ingenieur White Dial IW323906 Automatic Steel 40mm
The IWC Ingenieur White Dial is a mechanical automatic watch with a stainless steel case and date function, measuring 40mm in size.
- Condition: 95%
- Model: Ingenieur Automatic 40mm
- Case material: Stainless Steel
- Movement type: Mechanical Automatic

IWC Iw328903 INGENIEUR AQUA GREEN AUTOMATIC 40MM 2023 COMPLETE SET
A 2023 IWC Ingenieur Aqua stainless steel watch with a green dial and automatic in-house movement. The watch is running perfectly with no issues.
- Condition: Excellent, Unpolished Condition
- Movement: IWC Calibre 32111, Automatic In-House Movement
- Power reserve: 120 hours
- Warranty: Under 8 years factory warranty remaining