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

[WTS] IWC Ingenieur Chronograph L.E. 1 out of 750 In-house Mvmt IW380702 $3,550

IWC Ingenieur Chronograph L.E. 1 out of 750 In-house Mvmt IW380702 $3,550

IWC - IW380702 · $3,550
This IWC Ingenieur Chronograph Edition 'Rudolf Caracciola' is a limited edition of 750 pieces, featuring an in-house movement and a functional instrument look.

  • Condition: Pre-owned with minor scratches
  • Movement: Calibre 69370 with 46 hour power reserve
  • Water resistance: 60m depth rating
  • Case size: 42mm diameter
Posted at
Dec 19, 2025, 11:10 AM
Active
[WTS] IWC Ingenieur 40 *Aqua Dial* 2025 Complete Set

IWC Ingenieur 40 *Aqua Dial* 2025 Complete Set

IWC - IW328903 · $9,150
This listing features the highly sought-after IWC Ingenieur Aqua Dial, a masterpiece of watchmaking with incredible finishing work and Genta-designed heritage.

  • Condition: Incredible Preowned Condition
  • Case size: 40mm diameter
  • Dial color: Aqua
  • Power reserve: 120 hours
Posted at
Dec 18, 2025, 10:18 AM
Active
[WTS] IWC Ingenieur Automatic 40 – Aqua Dial – Ref. IW328903

IWC Ingenieur Automatic 40 – Aqua Dial – Ref. IW328903

IWC - IW328903 · $9,700
This IWC Ingenieur Automatic features an Aqua blue dial with textured pattern and a 120-hour power reserve. It includes a stainless steel bracelet, sapphire crystal, date at 3 o'clock, and is water-resistant to 100m.

  • Power reserve: 120 hours
  • Water resistance: 100m
  • Bracelet material: stainless steel
Posted at
Dec 16, 2025, 10:00 PM
Active
[WTS] IWC Ingenieur (White Dial)

IWC Ingenieur (White Dial)

IWC - IW328902 · $8,000
The seller is listing an IWC Ingenieur with a white dial, reference IW328902, in excellent condition. The watch features a 40mm case, IWC caliber 32111 with a 120hr power reserve, and comes with the outer box, inner box, leather travel case, warranty card, manual, strap tools, and an integrated steel bracelet.

  • Condition: Excellent
  • Case size: 40mm diameter
  • Thickness: 10.8mm
  • Movement: IWC caliber 32111 (120 hour power reserve)
Posted at
Dec 15, 2025, 9:12 PM
Active
[WTS] IWC Ingenieur 40mm Aqua Dial 2025 Complete Kit

IWC Ingenieur 40mm Aqua Dial 2025 Complete Kit

IWC - IW328903 · $9,500
This IWC Ingenieur features a 40mm Aqua Dial and has a thin 10.7mm case with a 120 hour power reserve.

  • Condition: Incredible Preowned Condition
  • Case thickness: 10.7mm
  • Diameter: 40mm
  • Power reserve: 120 hours
Posted at
Dec 11, 2025, 9:33 AM
Active
[WTS] IWC Micro Adjust Clasp for Ingenieur 40 & Others

IWC Micro Adjust Clasp for Ingenieur 40 & Others

IWC - IW32890x · $375
Additional details on a preowned IWC clasp for the Ingenieur 40 and other models, allowing micro adjustment instead of the stock butterfly clasp.

  • Condition: Excellent condition
  • Compatible Watches: Not specified, but confirmed compatible with 40mm IW32890x model Ingenieur. Cross reference required for other models.
Posted at
Dec 11, 2025, 9:28 AM
Active
[WTS] IWC Ingenieur Automatic IW357001 $2,699

IWC Ingenieur Automatic IW357001 $2,699

IWC - IW357001 · $2,699
The IWC Ingenieur IW3570 is a well-crafted watch that combines classic design with modern functionality. It has balanced proportions and quality finishing, making it a strong contender in its category.

  • Condition: Pre-owned with minor scratches on polished bezel
  • Case Size: 40mm diameter
  • Case Thickness: 10.3mm
  • Lug Width: 20mm
Posted at
Dec 10, 2025, 12:49 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