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 40 Blue Dial IW328907 + EXTRAS (adjustable clasp, links)](https://preview.redd.it/y5gi81t4mrcg1.jpg?width=640&crop=smart&auto=webp&s=3f289be40a8d0239c4f8aa2f518005b5ec338c27)
: IWC Ingenieur 40 Blue Dial IW328907 + EXTRAS (adjustable clasp, links)
This IWC Ingenieur Automatic 40mm Blue Dial features an IWC 32111 Calibre Movement, complete with original boxes and papers.
- Condition: Excellent plus
- Movement: IWC 32111 Calibre Movement
- Clasp: MK XX micro-adjust clasp ($460 value from IWC)
- Extras: 2 extra links for the Ingenieur
![[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