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 Black Ceramic Bezel Ref IW323401 w/ Multipe Straps NEW YEAR’S SPECIAL JUST $2895!](https://preview.redd.it/n4mxg4bzcmag1.jpg?width=640&crop=smart&auto=webp&s=406e1995d7b4c2fa0607cdb2e3a2f02e75aa1cc4)
IWC Ingenieur Black Ceramic Bezel Ref IW323401 w/ Multipe Straps NEW YEAR’S SPECIAL JUST $2895!
This is a modern iteration of IWC's anti-magnetic classic, the Ingenieur, featuring a black tapisserie style dial and ceramic bezel.
- Condition: Mint condition
- Case Diameter: 44mm
- Movement Type: Automatic cal 80111
- Crystal Type: Sapphire crystal
![[WTS] IWC Ingenieur Automatic 40 Full Steel Black Dial 2017 (Full-Set/Unpolished)](https://preview.redd.it/g7lpxnurvp9g1.jpg?width=640&crop=smart&auto=webp&s=849374380fedfb30999937aa75edfdaf8cbe9b40)
IWC Ingenieur Automatic 40 Full Steel Black Dial 2017 (Full-Set/Unpolished)
This IWC Ingenieur Automatic 40 is a modern classic in excellent condition. The black dial offers strong legibility and a balanced aesthetic. The watch comes complete with original boxes and papers.
- Condition: Excellent overall condition, with light honest signs of wear
- Case diameter: 40mm
- Water resistance: 3 ATM (30 meters)
- Bracelet: stainless steel with all links
![[WTS] IWC Ingenieur Aqua Green IW328903](https://preview.redd.it/p3xbguw6kd9g1.jpg?width=640&crop=smart&auto=webp&s=481a1d534f0431fd00f1d5d972fcd83312ed238c)
IWC Ingenieur Aqua Green IW328903
The watch features a beautiful Aqua Green dial and is in excellent condition, with only minor hairlines on the middle links.
- Condition: 9/10, minor hairlines on middle links
- Case material: polished steel
- Warranty status: active until September 3, 2032
![[WTS] IWC Ingenieur Chronograph L.E. 1 out of 750 In-house Mvmt IW380702 $3,550](https://preview.redd.it/44rub3k5q68g1.jpeg?auto=webp&s=1b497098c8bc0c4c34a98278d108cdaef52e1789)
IWC Ingenieur Chronograph L.E. 1 out of 750 In-house Mvmt IW380702 $3,550
This IWC Ingenieur Chronograph Edition 'Rudolf Caracciola' is a limited edition of 750 pieces, featuring an in-house movement and a functional instrument look.
- Condition: Pre-owned with minor scratches
- Movement: Calibre 69370 with 46 hour power reserve
- Water resistance: 60m depth rating
- Case size: 42mm diameter
![[WTS] IWC Ingenieur 40 *Aqua Dial* 2025 Complete Set](https://preview.redd.it/tf72zbt2cz7g1.jpg?width=640&crop=smart&auto=webp&s=bd592c374eaf4125e2551d04b7dfdffa0a99ba99)
IWC Ingenieur 40 *Aqua Dial* 2025 Complete Set
This listing features the highly sought-after IWC Ingenieur Aqua Dial, a masterpiece of watchmaking with incredible finishing work and Genta-designed heritage.
- Condition: Incredible Preowned Condition
- Case size: 40mm diameter
- Dial color: Aqua
- Power reserve: 120 hours
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