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 Titanium Silver Dial IW328904

IWC Ingenieur Automatic Titanium Silver Dial IW328904

IWC - IW328904 · $15,000
The IWC Ingenieur Automatic is a high-end mechanical watch with an in-house automatic movement, silver textured grid dial, and integrated stainless steel bracelet.

  • Condition: Excellent overall condition with very light handling wear
  • Movement: Automatic (in-house)
  • Case Size: approximately 40 mm
  • Dial: Silver textured grid dial
Posted at
Mar 1, 2026, 7:57 PM
Active
[WTS] IWC Ingenieur Automatic 42mm

IWC Ingenieur Automatic 42mm

IWC - IW322701 · $4,900
a classic and robust IWC Ingenieur with a timeless design, well maintained and ready to wear.

  • Condition: very good condition
  • Year: 2005
  • Size: 42mm
Posted at
Feb 28, 2026, 7:47 PM
Active
[WTS] 2025 IWC Ingenieur Automatic 40mm Black - IW328901 - Full Set with 8yr IWC warranty

2025 IWC Ingenieur Automatic 40mm Black - IW328901 - Full Set with 8yr IWC warranty

IWC - IW328901 · $8,999
The IWC Ingenieur Automatic 40 is a modern sports watch featuring a return of the Gerald Genta integrated bracelet design, with a unique pattern on the jet black dial and an in-house movement providing a 5 day power reserve.

  • Condition: Very excellent preowned condition
  • Case Size: 40mm
  • Case Material: Stainless steel
  • Movement Power Reserve: 5 days
Posted at
Feb 27, 2026, 10:08 AM
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
IWC Ingenieur Aqua Green IW328903 LNIB

IWC Ingenieur Aqua Green IW328903 LNIB

IWC - IW328903 · $8,350
A pristine IWC Ingenieur with an Aqua Green dial, complete with warranty card and other original accessories.

  • Condition: Like New in Box (LNIB)
  • Year: 2024
  • Warranty card: present
Posted at
Mar 20, 2025, 1:28 PM
Active
BNIB IWC IW328904 Ingenieur TITANIUM 40 NEW MODEL Grey Dial 2025

BNIB IWC IW328904 Ingenieur TITANIUM 40 NEW MODEL Grey Dial 2025

IWC - IW328904 · $12,500
This is a brand new IWC Ingenieur model with a grey dial and titanium case. It comes in full box/papers and has the remaining manufacturer warranty.

  • Condition: Brand new, unworn
  • Material: Titanium
  • Case size: 40mm diameter
Posted at
Mar 19, 2025, 5:54 PM
Active
IWC Ingenieur Automatic - 40mm - Aqua Dial - IW328903 ( excellent / 2025 )

IWC Ingenieur Automatic - 40mm - Aqua Dial - IW328903 ( excellent / 2025 )

IWC - IW328903 · $7,950
A 40mm stainless steel IWC Ingenieur Automatic with an Aqua Dial and IWC 32111 Calibre Movement, coming with a complete set including boxes, papers, booklets, tools, hang tag, and IWC Warranty Card.

  • Condition: Excellent
  • Case size: 40mm
  • Movement: IWC 32111 Calibre
Posted at
Mar 19, 2025, 3:10 PM
Active