IWC Ingenieur Ingenieur Double Chronograph Titanium / Silver
Reference IW3865-01
About this watch
The IWC Ingenieur IW3865-01 is a masterclass in luxury watchmaking. This stunning timepiece combines cutting-edge technology with timeless design, making it a worthy contender in the luxury watch arena. At the heart of this watch lies the IWC Caliber 79420, an automatic movement based on the well-respected ETA 7750. With 29 jewels and a power reserve of 44 hours, this movement is designed for performance. The IW3865-01 features a rattrapante (or split-seconds) chronograph, allowing you to time multiple events simultaneously. The watch also boasts a titanium bracelet that is as comfortable as it is stylish, making it perfect for everyday wear. With its 120-meter water resistance rating, this watch can handle splashes, swimming, and even snorkeling with confidence. Whether you're a seasoned collector or a first-time buyer, the IWC Ingenieur IW3865-01 offers something for everyone.
Key Features
- IWC Caliber 79420 automatic movement
- Rattrapante (split-seconds) chronograph function
- Titanium case and bracelet
- Sapphire crystal glass
- 120-meter water resistance rating
- 45mm diameter, 16mm height
- Silver dial with stick and dot indexes
Specifications
- Brand
- IWC
- Family
- Ingenieur
- Model
- Ingenieur Double Chronograph Titanium / Silver
- Reference
- IW3865-01
- Movement
- 79420
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date, Day
- Chronograph, Rattrapante
- Case
- 45mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 120
Current Listings
![[WTS] IWC Ingenieur IW328902 White Dial](https://external-preview.redd.it/OGt5dzNxdGppZTBmMQa6oSrDlwFJoaoArA8LwUtk_PbzXVGrALYC5IH_wDVN.png?format=pjpg&auto=webp&s=1c3f88c477f8fbcf4201da0d7722fe63eb6ef2e1)
IWC Ingenieur IW328902 White Dial
This is the latest-gen IWC Ingenieur Automatic model with a striking white dial, inspired by Gérald Genta's original design and featuring IWC's new in-house movement with a 5-day power reserve.
- Condition: Excellent
- Case size: 40mm
- Thickness: ~10.8mm
- Water resistance: 100m
![[WTS] IWC Ingenieur Dual Time Full Set $3,990](https://preview.redd.it/y8n5pdroae0f1.jpeg?auto=webp&s=6890a785b44cfbeeb8510be490c9dc860047c73b)
IWC Ingenieur Dual Time Full Set $3,990
Up for sale is the IWC Ingenieur Dual Time watch with a true GMT/traveler GMT function, on the fly micro-adjustable clasp, and excellent time keeping.
- Condition: Excellent pre-owned condition
- Case Size: 43mm diameter
- Case Thickness: 13.5mm
- Movement: IWC Cal. 35720

IWC Ingenieur Chronograph Sport Fly-back IW380901, Limited Edition, Titanium, Complete
This is a limited edition of 500 pieces, sold originally from an IWC Authorized Dealer on November 16, 2017. The watch features a black dial with luminescent hands and markers, black sub-dials, and great lume.
- Condition: Pre-owned, excellent condition
- Case material: Titanium
- Diameter: 44.3 mm
- Thickness: 15.1 mm
IWC INGENIEUR IW451501 Mid-size 34mm Stainless Steel
This IWC Ingenieur Mid Size 34mm is a mechanical automatic watch with date function, housed in a stainless steel case. The watch is in good condition, with no box and no papers.
- Condition: 90%
- Size: 34mm
- Case material: Stainless Steel
- Movement type: Mechanical Automatic
IWC Ingenieur Chronograph Edition “RUDOLF CARACCIOLA” 750 Pcs IW380702
- Condition: 90%
- Size: 42mm diameter
- Function: Date / Chronograph
- Case material: Stainless Steel

IWC Ingenieur Automatic - 40mm - Blue Dial - IW328907 ( unworn / 2025 )
Up for sale is an unworn condition IWC Ingenieur Automatic 40mm Blue Dial reference # IW328907. It comes complete with all boxes, papers, booklet, tools, hang tag and IWC Warranty Card dated May 2025.
- Condition: Unworn Condition / Complete Set
- Case material: Stainless Steel
- Movement type: Automatic
- Calibre: IWC 32111

IWC Ingenieur 2025 Aqua Dial (Green / Blue) Automatic 40 IW328903 Full Set
The IWC Ingenieur 2025 Aqua Dial features a green/blue automatic 40mm watch with a full set of box and papers. It has been sized down by removing 4 links but still includes everything.
- Condition: Great, with minor hairline scratches on bracelet, case, bezel and crystal
- Diameter: 40mm
- Case material: unknown
- Movement type: automatic
![[WTS] IWC Ingenieur IW328903 - Full Set w/ micro adjust clasp - $8500](https://preview.redd.it/qb0q75qbt3ze1.jpg?width=640&crop=smart&auto=webp&s=2fb4045a6ceddab0a2428a39bd6505e72ecd0663)
IWC Ingenieur IW328903 - Full Set w/ micro adjust clasp - $8500
This IWC Ingenieur IW328903 features a 40mm Aqua Dial and is dated 12/2024. It comes with the original butterfly clasp, as well as a new micro adjust clasp.
- Case size: 40mm
- Dial type: Aqua Dial
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