IWC Ingenieur Ingenieur Chronograph AMG Bracelet
Reference IW3725-03
About this watch
The IWC IW3725-03 Ingenieur Chronograph AMG Bracelet is a masterpiece of luxury watchmaking, combining exceptional engineering with timeless design. Crafted from lightweight black titanium, this 42.50 mm diameter timepiece exudes sophistication and elegance. The round shape features a classic appeal, while the chronograph sub-dials add a sporty flair, making it perfect for individuals who value precision and functionality. The IWC Caliber 79350 automatic movement is a remarkable piece of engineering, derived from the well-respected ETA 7750, guaranteeing accuracy and reliability with its power reserve of 44 hours and frequency of 28,800 vibrations per hour. With a water resistance of 120 meters, this watch is suitable for swimming and snorkeling, making it versatile for various activities. The titanium bracelet feels soft against the skin, and the adjustable clasp allows for a personalized fit, ensuring comfort even during long wear. This watch seamlessly transitions from formal to casual settings, making it an excellent addition to any watch collection.
Key Features
- IWC Caliber 79350 automatic movement
- 42.50 mm diameter black titanium case
- 120 meters water resistance
- Chronograph sub-dials with intuitive pushers
- Sapphire glass with anti-reflective coating
- Adjustable titanium bracelet with folding clasp
Specifications
- Brand
- IWC
- Family
- Ingenieur
- Model
- Ingenieur Chronograph AMG Bracelet
- Reference
- IW3725-03
- Movement
- 79350
- Movement Features
-
- Hours, Minutes
- Chronograph
- Case
- 42.5mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 120
Current Listings
IWC Ingenieur AMG Edition Titanium Full Set
This IWC Ingenieur AMG edition is a unique men's automatic watch with a 42mm titanium case and black dial. It comes with all original boxes, papers, and accessories, and is in very good condition.
- Condition: Very good condition, some signs of wear on the boxes and light scratches on the watch face.
- Case Size: 42mm
- Power Reserve: 44-Hour Power Reserve
- Movement: Calibre 80110
WTS LNIB IWC Ingenieur Aqua Dial 40mm Automatic IW328903 April 2024 Complete Set
This IWC Ingenieur Aqua Dial 40mm Automatic watch features a 40mm automatic movement, Calibre 32111, and is in excellent condition. It includes a full set of accessories such as the IWC Triple Box, manuals, cleaning cloth, bracelet adjustment tool, and warranty card.
- Condition: Like New Condition
- Movement: Calibre 32111
- Case size: 40mm diameter
- Water resistance: unknown
![[WTS] IWC Ingenieur AMG Full Set](https://preview.redd.it/pmo7a9nhd7xe1.jpg?width=640&crop=smart&auto=webp&s=85a0a5cb6e9ff1952b0bff3bec8fc60e31786618)
IWC Ingenieur AMG Full Set
A unique IWC AMG Ingenieur with a micro-blasted titanium construction, featuring a 42mm case and Calibre 80110. This rare watch comes in a complete set with all original boxes and papers.
- Condition: Very good condition, with some signs of wear on the outer box and light scratches on the watch
- Case material: Titanium
- Diameter: 42mm
- Water resistance: Unknown

IWC Ingenieur Automatic - 40mm - Silver Dial - IW328902 ( unworn / 2025 )
The IWC Ingenieur Automatic is a luxurious timepiece with a stainless steel case and silver dial, featuring an automatic movement.
- Condition: Unworn
- Case size: 40mm
- Movement: IWC 32111 Calibre
![[WTS] IWC Ingenieur IW3521 + Papers!](https://preview.redd.it/f47ttr5yp6we1.jpg?width=640&crop=smart&auto=webp&s=b02930c4c4695790ae602820d6186c479b8c35cf)
IWC Ingenieur IW3521 + Papers!
This IWC Ingenieur Ref. 3521 is a sought-after model that blends iconic Gerald Genta design with modern horological performance, featuring a stainless steel case with an 18k yellow gold bezel and a crisp white dial.
- Condition: Preowned
- Case Size: 34mm diameter
- Movement: Automatic IWC Cal. 887/2 (COSC-certified)
- Case Material: Stainless steel with 18k yellow gold bezel
IWC Ingenieur Automatic - IW323902 - Black - Stainless Steel - 39mm - Mint
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

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