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.
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MSRP: $11,600
Market Price: $4,922

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 Automatic 42 – Full Ceramic – IW338903 – Complete Set

IWC Ingenieur Automatic 42 – Full Ceramic – IW338903 – Complete Set

IWC - IW338903 · $17,500
The IWC Ingenieur Automatic 42 Ceramic features a full black ceramic case and integrated bracelet, offering exceptional scratch resistance while keeping the watch lightweight and comfortable on the wrist. The textured grid dial, bold indices, and signature bezel design give it a strong, technical presence that stands apart from typical steel sports models. This modern take on the Ingenieur line blends Gérald Genta-inspired design with ceramic materials.

  • Condition: Mint all around condition
  • Case material: full black ceramic
  • Bracelet type: integrated ceramic
  • Movement: IWC 82110 automatic in-house movement
Posted at
May 2, 2026, 2:36 PM
Active
[WTS] IWC Ingenieur Automatic 40mm Black IW328901 ( excellent / 2025 / box and papers )

IWC Ingenieur Automatic 40mm Black IW328901 ( excellent / 2025 / box and papers )

IWC - IW328901 · $9,950
A pre-owned IWC Ingenieur Automatic 40mm Black Dial watch in excellent condition, complete with all original boxes, papers, and accessories.

  • Condition: Excellent
  • Case size: 40mm
Posted at
May 1, 2026, 2:03 PM
Active
[WTS] IWC Ingenieur Automatic 40 IW328904 Titanium Complete

IWC Ingenieur Automatic 40 IW328904 Titanium Complete

IWC - IW328904 · $14,250
The IWC Ingenieur Automatic 40 is a masterclass in engineering-driven design, blending heritage and innovation into one of the most compelling modern luxury sports watches. Crafted from titanium, the 40mm case and integrated bracelet deliver exceptional comfort while maintaining a bold presence on the wrist.

  • Condition: Mint condition
  • Movement: Caliber 32111 automatic
  • Power reserve: 120 hours
  • Case material: Titanium
Posted at
May 1, 2026, 12:02 PM
Active
[WTS] IWC Ingenieur Chronograph Limited Rudolph Caracciola Racing Edition Ref IW380702

IWC Ingenieur Chronograph Limited Rudolph Caracciola Racing Edition Ref IW380702

IWC - IW380702 · $3,450
A limited edition IWC Ingenieur Chronograph, released in honor of Rudolf Caracciola, featuring a gray sunburst dial and in-house chronograph caliber 69370 movement.

  • Condition: Super clean, light wear
  • Movement: In house automatic chronograph caliber 69370
  • Case Size: 42MM stainless case, unpolished
  • Diameter: 40mm diameter
Posted at
Apr 27, 2026, 9:26 PM
Active
[WTS] IWC Big Ingenieur Flyback Chronograph – Guilloché Dial – Box & Papers

IWC Big Ingenieur Flyback Chronograph – Guilloché Dial – Box & Papers

IWC - IW378401 · $6,500
A timepiece that combines heavy-duty engineering with fine watchmaking, featuring a guilloché dial and flyback chronograph functionality.

  • Case size: 45.5mm diameter
  • Power reserve: 68h
  • Movement type: in-house Calibre 89360
Posted at
Apr 25, 2026, 3:14 PM
Active
[WTS] IWC Ingenieur Automatic 40mm Titanium IW328904 ( unworn / 2025 / box and papers )

IWC Ingenieur Automatic 40mm Titanium IW328904 ( unworn / 2025 / box and papers )

IWC - IW328904 · $14,450
Up for sale is an unworn IWC Ingenieur Automatic 40mm Grey Dial Titanium watch, complete with all boxes, papers, and tools.

  • Condition: Unworn
  • Case size: 40mm diameter
  • Movement: IWC 32111 Calibre
Posted at
Apr 24, 2026, 1:54 PM
Active
IWC Ingenieur Automatic  - IW323902 - Black - Stainless Steel - 39mm - Mint

IWC Ingenieur Automatic - IW323902 - Black - Stainless Steel - 39mm - Mint

IWC - IW323902 · $5,495
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
Posted at
Apr 8, 2025, 12:56 AM
Active
IWC Ingenieur Automatic - 40mm - Black Dial - IW328901 ( unworn / 2025 )

IWC Ingenieur Automatic - 40mm - Black Dial - IW328901 ( unworn / 2025 )

IWC - IW328901 · $9,995
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
Posted at
Mar 28, 2025, 3:41 PM
Active
1980's IWC Ingenieur Ref. IW3506 with Box

1980's IWC Ingenieur Ref. IW3506 with Box

IWC - IW3506 · $5,950
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
Posted at
Mar 27, 2025, 1:34 PM
Active