IWC Ingenieur Ingenieur Double Chronograph Titanium / Silver

Reference IW3865-01

IWC Ingenieur Double Chronograph Titanium / Silver

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 ref. 3508 | 500,000 A/m

IWC Ingenieur ref. 3508 | 500,000 A/m

IWC - 3508 · $7,150
This IWC Ingenieur ref. 3508 is a technically ambitious and underappreciated reference with extraordinary antimagnetic performance, produced in fewer than 1,000 examples between 1989-1991.

  • Condition: Excellent, recently serviced with 1 year warranty
  • Case Diameter: 34mm
  • Case Thickness: 9mm
  • Crystal Type: Sapphire
Posted at
May 28, 2026, 10:28 AM
Active
View listing on r/WatchExchange
[WTS] IWC Ingenieur Automatic 40 Titanium IW328904

IWC Ingenieur Automatic 40 Titanium IW328904

IWC - IW328904 · $12,300
A boutique-only 2025 IWC Ingenieur Automatic 40 in Grade 5 titanium, featuring a sand-blasted and polished case, rhodium 'Grid' dial, and integrated titanium bracelet.

  • Condition: Excellent
  • Case Material: Grade 5 titanium
  • Diameter: 40mm
  • Thickness: 10.7mm
Posted at
May 27, 2026, 10:55 AM
Active
View listing on r/WatchExchange
[WTS] IWC Ingenieur Automatic – Black Ceramic Case & Bracelet – 42mm IW338903 – Complete set

IWC Ingenieur Automatic – Black Ceramic Case & Bracelet – 42mm IW338903 – Complete set

IWC - IW338903 · $17,500
The IWC Ingenieur Automatic 42 Ceramic features a black ceramic case and integrated bracelet, offering exceptional scratch resistance and a strong technical presence.

  • Condition: Mint all around condition
  • Movement: IWC 82110 automatic in-house movement
  • Water resistance: 100m depth rating
  • Dimensions: 42mm diameter
Posted at
May 25, 2026, 1:23 PM
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[WTS] IWC Ingenieur 40mm Full Set from 2025

IWC Ingenieur 40mm Full Set from 2025

IWC - IW328901 · $9,500
  • Condition: Minor scuffs on bezel/case
  • Case Size: 40mm diameter
  • Lug To Lug: <50"
  • Water Resistance: 100m depth rating
Posted at
May 23, 2026, 7:31 PM
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[WTS] IWC Schaffhausen Ingenieur “AMG” full ceramic | 2014 Full set | $3,950 OBO

IWC Schaffhausen Ingenieur “AMG” full ceramic | 2014 Full set | $3,950 OBO

IWC Schaffhausen - IW322503 · $3,950
This 2014 IWC Schaffhausen Ingenieur 'AMG' features a black ceramic bezel and case, inspired by Mercedes AMG disc brakes. The watch has a clean sapphire crystal and comes in its full set with papers and box.

  • Condition: good with minor scratching on the case
  • Case material: full ceramic
  • Case size: 44mm diameter
  • Strap condition: great with little wear
Posted at
May 18, 2026, 4:19 PM
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[WTS] IWC Ingenieur Automatic 42 – Full Ceramic – IW338903 – Complete Set Mint Condition

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

IWC - IW338903 · $17,500
The IWC Ingenieur Automatic 42 is a modern take on the Ingenieur line, featuring a full black ceramic case and integrated bracelet with exceptional scratch resistance. The watch has a textured grid dial, bold indices, and signature bezel design giving it a strong technical presence.

  • Condition: Mint Condition
  • Movement: IWC 82110 in-house automatic
  • Water Resistance: 100m / 10 bar
  • Case Size: 42mm diameter
Posted at
May 18, 2026, 2:23 PM
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[WTS] IWC Ingenieur 40 Aqua, Box and Papers, Factory Serviced and unworn since. Full Kit.

IWC Ingenieur 40 Aqua, Box and Papers, Factory Serviced and unworn since. Full Kit.

IWC - Ingenieur 40 Aqua · $9,100
A beautiful IWC Ingenieur 40 Aqua with an amazing dial design that catches the light.

  • Condition: Unworn since IWC service, fantastic condition
  • Box and papers included: true
  • Factory serviced: true
  • Service papers included: true
Posted at
May 17, 2026, 4:01 PM
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[WTS] IWC Ingenieur Automatic 40 Titanium IW328904 — Rhodium Grid Dial — 2025 Full Set

IWC Ingenieur Automatic 40 Titanium IW328904 — Rhodium Grid Dial — 2025 Full Set

IWC - IW328904 · $12,300
This is a 2025 IWC Ingenieur Automatic 40 in Grade 5 titanium, featuring a sand-blasted and polished case, rhodium Grid dial, and integrated titanium bracelet. It has an in-house Calibre 32111 with 120-hour power reserve and anti-magnetic protection.

  • Condition: Excellent
  • Case material: Grade 5 titanium
  • Case dimensions: 40mm x 10.7mm, 45.7mm lug-to-lug
  • Bracelet material: Grade 5 titanium
Posted at
May 16, 2026, 6:27 AM
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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
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