IWC Ingenieur Ingenieur SL Automatic Stainless Steel / Yellow Gold / White / Bracelet
Reference IW3505-11
About this watch
The IWC Ingenieur IW3505-11 is a stunning amalgamation of craftsmanship, elegance, and functionality. This luxury watch features a self-winding movement based on the robust ETA 2892, with a power reserve of 42 hours and a frequency of 28,800 vibrations per hour. Its unique combination of yellow gold and stainless steel gives it an elegant yet sporty look. The white dial is adorned with stick and dot indexes, adding a touch of modernity to its classic design. With a water resistance of 120 meters, this watch is perfect for those who lead an active lifestyle. The IWC caliber 375 movement, featuring 21 jewels, minimizes friction and enhances longevity and performance. This timepiece is not just about looks; it's a reliable companion for your daily adventures. As you wear the IW3505-11, it harnesses the motion of your wrist to keep itself charged, no need for batteries or winding. The meticulous attention to detail, elegant design, and superb functionality all come together in this timeless piece.
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Key Features
- IWC caliber 375 movement with a power reserve of 42 hours
- Water resistance of up to 120 meters
- Unique combination of yellow gold and stainless steel case
- White dial with stick and dot indexes for clear time visibility
- Sapphire crystal for durability and scratch resistance
- 21 jewels in the IWC caliber 375 movement for enhanced performance
Specifications
- Brand
- IWC
- Family
- Ingenieur
- Model
- Ingenieur SL Automatic Stainless Steel / Yellow Gold / White / Bracelet
- Reference
- IW3505-11
- Movement
- 375
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Case
- 34mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 120
Current Listings
![[WTS] IWC Ingenieur 40 Homage](https://preview.redd.it/2qldu6rppdcg1.jpg?width=640&crop=smart&auto=webp&s=6fdc1eb4a61fdcea842b1b74b7b42771e605d242)
IWC Ingenieur 40 Homage
This IWC Ingenieur 40mm is a 'Seiko mod' with an NH35 movement, featuring extra links and nearly no signs of wear.
- Condition: like new
- Movement: NH35
- Case size: 40mm
![[WTS] IWC Ingenieur Automatic 40 IW328903 Steel Green Grid Dial Box Papers 2025](https://preview.redd.it/w6ppgqmwq4cg1.jpg?width=640&crop=smart&auto=webp&s=39687a5ed0a203d8a2e80cc64a443f49dd44531f)
IWC Ingenieur Automatic 40 IW328903 Steel Green Grid Dial Box Papers 2025
A newer IWC Ingenieur model featuring a beautiful aqua-green grid dial, applied indices, and a color-matched two-digit date wheel. It has a 40mm stainless steel case and an automatic Calibre 32111 movement with a 120-hour power reserve.
- Condition: Excellent condition with light wear on the case and bracelet
- Case size: 40mm
- Material: stainless steel
![[WTS] IWC Ingenieur 3521 Fullset - $7500](https://preview.redd.it/ebpv96u7t3cg1.jpg?width=640&crop=smart&auto=webp&s=50b3a870958d70b687adccd7800fe01619a428ad)
IWC Ingenieur 3521 Fullset - $7500
This listing is for an IWC Ingenieur 3521 watch, which comes with its original box and papers. The watch features a 34mm diameter T dial and hands.
- Condition: unpolished original T dial
- Diameter: 34mm
![[WTS] IWC Ingenieur Automatic 40 Full Steel Black Dial 2017 (Full-Set/Unpolished)](https://preview.redd.it/j5x4di1soibg1.jpg?width=640&crop=smart&auto=webp&s=6e40f64156f653cae5a5fd76ec24874bd88fafeb)
IWC Ingenieur Automatic 40 Full Steel Black Dial 2017 (Full-Set/Unpolished)
This all-original IWC Ingénieur Ref. IW323902 is a modern classic offered in never polished stainless steel and features a black dial with strong legibility and technical aesthetic.
- Condition: Excellent overall condition, light honest signs of wear
- Movement Service History: professionally serviced in December 2025
- Depth Rating: 30m water resistance
- Bracelet Adjustment Pins: includes original adjustment pins
![[WTS] IWC Ingenieur Aqua Green IW328903](https://preview.redd.it/ral8pdsg17bg1.jpg?width=640&crop=smart&auto=webp&s=d431504619ef3e3fae9fa9be04cdb237ed853cd5)
IWC Ingenieur Aqua Green IW328903
This 40mm Ingenieur features an Aqua Green dial and is in excellent condition, with a flawless crown and glass.
- Condition: 9/10, minor hairlines on middle links
- Warranty expiration date: September 3, 2032
- Accessories included: original box, papers, warranty card
![[WTS] IWC Ingenieur blue dial](https://preview.redd.it/ydqlboj6qyag1.jpg?width=640&crop=smart&auto=webp&s=b1f230ce314346ea8977fdf68ca414a6a57c24b6)
IWC Ingenieur blue dial
A well-maintained IWC Ingenieur with blue dial is available for sale. The watch features a 40mm diameter and comes with box, papers, micro adjust clasp, original butterfly clasp, and extra links.
- Condition: Excellent, minor scratches on micro adjust clasp and links
- Case Diameter: 40mm
- Water Resistance Depth: 100m
- Power Reserve Duration: 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