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

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

1980's IWC Ingenieur Ref. IW3506 with Box
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
IWC Ingenieur Aqua Green IW328903 LNIB
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

BNIB IWC IW328904 Ingenieur TITANIUM 40 NEW MODEL Grey Dial 2025
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

IWC Ingenieur Automatic - 40mm - Aqua Dial - IW328903 ( excellent / 2025 )
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
IWC Ingenieur Double Chronograph Titanium IW376501
The IWC Ingenieur Double Chronograph Titanium IW376501 is a men's watch with a size of 46mm and features a mechanical automatic movement. It has a double chronograph function.
- Condition: 90%
- Case material: titanium
- Size: 46mm
IWC 3239 Ingenieur Automatic, 3239-06, 40MM
The IWC Ingenieur Automatic features a stainless steel case on a matching bracelet, powered by the Calibre 30110 movement with a 42-hour power reserve. The watch has a silver dial with rose gold hour markers and hands, and is water-resistant to 120 meters.
- Condition: Excellent
- Movement type: Automatic
- Case material: Stainless steel
- Bracelet material: Stainless steel

Platinum IWC Big Ingenieur Chronograph Fly-back, IW378403, Limited Ed. Complete
The watch is a rare, limited edition IWC Big Ingenieur Chronograph Fly-back with a Solid Platinum Case, Rhodium Textured Dial, and Black Sub-Dials. It features a 3784-03 chronograph complication, fly-back function, and 68 hours Power Reserve.
- Condition: Very good, some scuffs and small scratches from careful use
- Case material: Solid Platinum
- Diameter: 40mm
- Thickness: 15mm

IWC Ingenieur Automatic 40 Blue Dial IW328907 � 2024 Unworn
The IWC Ingenieur Automatic 40 Blue Dial is a newly released model with a blue dial, featuring an unworn condition and included accessories such as boxes, booklet, and warranty card.
- Condition: Unworn
- Year of release: 2024
- Diameter: 40mm