IWC Ingenieur Ingenieur Perpetual Calendar Digital Date-Month Titanium / Red Gold

Reference IW3792-03

About this watch

The IWC IW3792-03 Ingenieur Perpetual Calendar Digital Date-Month in Titanium and Red Gold is a masterpiece of horology that seamlessly blends technical prowess with luxurious design. This statement piece boasts an automatic mechanical movement, IWC caliber 89802, with a power reserve of 68 hours and features a flyback chronograph function, making it perfect for precision timing enthusiasts. The perpetual calendar automatically adjusts for leap years and months of varying lengths, ensuring convenience and eliminating the need to reset the date. With a diameter of 46 mm and a height of 17 mm, this substantial watch feels surprisingly comfortable on the wrist due to its lightweight titanium construction. A water resistance of 120 meters adds to its versatility, making it suitable for various activities. The unique blend of titanium and red gold gives the IW3792-03 a distinct edge in terms of modern aesthetics, setting it apart from other luxury watches. This timepiece is not just a tool for telling time but also a conversation starter, a style statement, and a testament to IWC's commitment to craftsmanship.
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Key Features

  • Automatic mechanical movement with 68-hour power reserve
  • Flyback chronograph function for precision timing
  • Perpetual calendar with automatic adjustment for leap years and months
  • Lightweight titanium construction for comfort
  • Unique blend of titanium and red gold for modern aesthetics
  • Water resistance up to 120 meters for versatility
  • Sapphire crystal glass for scratch resistance

Specifications

Brand
IWC
Family
Ingenieur
Model
Ingenieur Perpetual Calendar Digital Date-Month Titanium / Red Gold
Reference
IW3792-03
Movement
89802
Movement Features
  • Hours, Minutes, Small Seconds
  • Big Date, Leap Year, Month, Perpetual Calendar, Date
  • Chronograph, Flyback
Case
46mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
120

Current Listings

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IWC - IW378401 · $6,500
This timepiece combines heavy-duty engineering with fine watchmaking. A watch for those who want a true chronograph tool with the elegance to double as a statement piece — robust for everyday use, refined for evenings.

  • Case size: 45.5mm
  • Movement: Calibre 89360
  • Power reserve: 68 hours
Posted at
Feb 15, 2026, 1:12 PM
Active
[WTS] IWC Ingenieur Ref. 323904 – 40mm White Dial w/ Integrated Bracelet – Full Kit

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IWC - 323904 · $4,895
IWC Ingenieur Ref. 323904 is a 40mm integrated bracelet sports watch that carries the DNA of the legendary Gérald Genta-designed IWC Ingenieur SL of the 1970s.

  • Condition: Pre-owned with scratches and small dings consistent with a decade of wear
  • Case diameter: 40mm
  • Thickness: 10mm
  • Water resistance: 120m
Posted at
Feb 12, 2026, 3:27 PM
Active
[WTS] IWC Ingenieur Automatic IW357001 $2,650

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IWC - IW357001 · $2,650
The IWC Ingenieur IW3570 is a well-crafted watch that combines classic design with modern functionality. It has balanced proportions, comfortable wearability, and quality finishing. The watch draws heavily from the original 1950s Ingenieur ref. 666.

  • Condition: Pre-owned with some scratches on the polished bezel but no dings or dents
  • Movement: IWC Caliber 35111 (Sellita SW300-1a based, built to IWC specs)
  • Power reserve: 42 hours
  • Case size: 40mm diameter
Posted at
Feb 10, 2026, 11:12 AM
Active
[WTS] BNIB IWC Ingenieur 40 Blue Dial - Bought from AD 2025, All Boxes/Papers/8yr IWC Warranty

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IWC - Ingenieur 40 · $11,000
This IWC Ingenieur 40 features a stunning steel blue dial in a checkerboard pattern and has a fully tool-less design for re-sizing the bracelet. It's beautifully finished, comparable to Jaeger-LeCoultre.

  • Condition: Brand new in box
  • Purchase year: 2025
  • Origin: Authorized Dealer
Posted at
Feb 9, 2026, 6:29 PM
Active
[WTS] IWC Ingenieur Automatic 40 Full Steel Black Dial 2017 (Full-Set/Unpolished)

IWC Ingenieur Automatic 40 Full Steel Black Dial 2017 (Full-Set/Unpolished)

IWC - IW323902 · $5,475
This IWC Ingenieur Automatic 40 is a full steel black dial watch from 2017. It features a stainless steel case and bracelet, a professional serviced movement, and a pressure tested to 3 ATM (30 meters). The watch comes as a complete set with original boxes, booklets, and bracelet adjustment pins.

  • Condition: Excellent overall condition with only light, honest signs of wear
  • Size: 40mm diameter
  • Year: 2017
  • Water Resistance: 30m (3 ATM)
Posted at
Feb 6, 2026, 3:59 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
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