IWC Ingenieur Ingenieur Chronograph AMG Strap

Reference IW3725-04

About this watch

The IWC Ingenieur IW3725-04 is a powerhouse of horological prowess, blending precision engineering with sporty aesthetics. This luxury watch boasts a titanium case, sapphire glass, and a reliable IWC caliber 79350 movement. With its lightweight construction and excellent water resistance, it's perfect for those who appreciate superior craftsmanship and sporty design. The AMG strap adds an extra layer of sportiness to the watch, making it a versatile choice for both casual and formal attire. Whether you're timing events or simply keeping track of time, this watch is designed to handle wet conditions with ease. Its 44-hour power reserve ensures that it keeps ticking, even if you take a break from wearing it. This watch embodies the perfect blend of style, functionality, and heritage, making it a worthy consideration for anyone serious about horology.
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MSRP: $5,700
Market Price: $4,194

Key Features

  • Titanium case
  • Sapphire glass
  • IWC caliber 79350 movement
  • Chronograph function
  • Water resistance up to 120 meters
  • 44-hour power reserve
  • Lightweight construction

Specifications

Brand
IWC
Family
Ingenieur
Model
Ingenieur Chronograph AMG Strap
Reference
IW3725-04
Movement
79350
Movement Features
  • Hours, Minutes
  • Chronograph
Case
42.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
120

Current Listings

[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
[WTS] IWC Big Ingenieur Chronograph - Guilloché Dial - Box & Papers

IWC Big Ingenieur Chronograph - Guilloché Dial - Box & Papers

IWC - IW378401 · $6,750
The IWC Big Ingenieur Chronograph combines heavy-duty engineering with fine watchmaking, making it a true chronograph tool and statement piece.

  • Case size: 45.5mm
  • Case material: stainless steel
  • Calibre: Calibre 89360
Posted at
Dec 8, 2025, 4:04 PM
Active
[WTS] IWC Ingenieur Aqua Green IW328903

IWC Ingenieur Aqua Green IW328903

IWC - IW328903 · $9,000
Selling a beautiful IWC Ingenieur Aqua Green with aqua dial and polished steel case. Comes with original box, papers, and warranty card.

  • Condition: 9/10, minor hairlines on middle links
  • Warranty valid until: September 3, 2032
  • Hand delivered possible in vienna and prague: true
Posted at
Dec 7, 2025, 12:08 PM
Active
[WTS] IWC Ingenieur white iw323906

IWC Ingenieur white iw323906

IWC - iw323906 · $3,590
The watch being listed is an IWC Ingenieur model IW323906, described as a white version with its original box and paper.

  • Condition: good condition
Posted at
Dec 6, 2025, 8:21 PM
Active
[WTS] IWC Ingenieur Automatic - 40mm - Aqua Dial - IW328903

IWC Ingenieur Automatic - 40mm - Aqua Dial - IW328903

IWC - IW328903 · $9,000
This IWC Ingenieur Automatic features a Gerald Genta design, textured grid dial, and an impressive 120 hour power reserve.

  • Condition: like new
  • Diameter: 40mm
  • Power reserve: 120 hours
Posted at
Dec 5, 2025, 7:16 AM
Active