IWC

Ingenieur Chronograph AMG Titanium 42.5mm | Ref. IW3725 | Open-Dated Mint Full Set

$4,400.00

Available
ReferenceIW3725
SetFull Set
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A rare, high-octane motorsport reference born from the historic inaugural partnership between IWC Schaffhausen and Mercedes-AMG. This 42.5mm IWC Ingenieur Chronograph AMG Ref. IW3725 is sculpted in ultra-lightweight, satin-brushed titanium, featuring a matte black dial with bold Arabic numerals, vivid red racing accents, and an integrated tachymeter scale. A complete Full Set in mint condition featuring an open/undated warranty card, it is driven by an automatic chronograph movement offering exceptional shock resistance and precision. Fitted on its integrated-style strap, this Gérald Genta-inspired titanium icon represents a cornerstone collectible (Note: Inner box lining exhibits era-typical material peeling).

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Shipping & Contact

United States: free, fully insured delivery, estimated 1 to 3 business days. An adult signature is required; deliveries are made Monday to Saturday, 8:00 AM to 6:00 PM local time. No P.O. boxes or forwarding services.

United Kingdom: fully insured delivery. Prices are charged in US dollars. UK import VAT and any customs duty are not included in the price: the carrier collects them from the recipient before delivery.

Gulf (UAE, Qatar, Saudi Arabia, Kuwait, Bahrain, Oman): fully insured courier. Shipping is quoted per watch and invoiced separately after your order. Import duties and VAT are paid by the recipient on arrival (DAP).

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Return Policy (Pre-Owned Watches)

We specialize in pre-owned luxury timepieces.
• Returns accepted within 3 days of delivery
• Item must be in the same condition as received
• Must include all original accessories (box, papers if applicable)

All returns are subject to inspection prior to refund approval.

Our Guarantee

✔ Lifetime Authenticity Guarantee. Every watch is verified authentic before it is listed. Full terms: The Vetting

Ingenieur Chronograph AMG Titanium 42.5mm | Ref. IW3725 | Open-Dated Mint Full Set

Ingenieur Chronograph AMG Titanium 42.5mm | Ref. IW3725 | Open-Dated Mint Full Set

$4,400.00

$4,400.00

PRODUCT SPECIFICATIONS

MODEL
Ingenieur Chronograph AMG Titanium 42.5mm | Ref. IW3725 | Open-Dated Mint Full Set
REFERENCE NUMBER
IW3725 (IW372504 / IW372503)
SCOPE OF DELIVERY
Full Set (Original Luxury IWC AMG Presentation Box, AD-Stamped Open/Undated International Warranty Card, Operating Manuals, Service Booklets; Note: Inner box material peeling)
Ingenieur Chronograph AMG Titanium 42.5mm | Ref. IW3725 | Open-Dated Mint Full Set
CASE DIAMETER
42.5mm / ~42.9mm Diameter / Robust Integrated Sports Profile (~13.5mm Thickness / Satin-Brushed Titanium)
CASE SIZE
42.5mm / ~42.9mm Diameter
Ingenieur Chronograph AMG Titanium 42.5mm | Ref. IW3725 | Open-Dated Mint Full Set
MOVEMENT
IWC Calibre 79350 (Automatic Chronograph / 44-Hour Power Reserve / 28,800 vph)
Ingenieur Chronograph AMG Titanium 42.5mm | Ref. IW3725 | Open-Dated Mint Full Set
STRAP MATERIAL
Original Integrated-Style Black Strap with Titanium IWC Pin Buckle
Ingenieur Chronograph AMG Titanium 42.5mm | Ref. IW3725 | Open-Dated Mint Full Set

Physician-Led Vetting

Authenticated, graded and documented in-hand before it is listed.

Authenticated

Calibre, case, dial and papers examined for originality.

Insured Shipping

US: free, fully insured, adult signature required. UK: fully insured; UK import VAT and duty are paid by the recipient on arrival. Gulf: insured courier, shipping invoiced separately. Duties and VAT paid by the recipient on arrival.

Honeyrock Guarantee

Lifetime authenticity guarantee on every piece. Full terms on our vetting page.

The Story

The Story

In the mid-2000s, IWC Schaffhausen joined forces with Mercedes-AMG, establishing one of the most genuine and mechanically focused partnerships in luxury automotive and horological history. The IWC Ingenieur Chronograph AMG (Ref. IW3725) was among the very first timepieces created to commemorate this alliance. Drawing direct architectural lineage from Gérald Genta’s 1976 Ingenieur SL, this reference discards heavy stainless steel in favor of aerospace-grade titanium, mirroring the weight-saving, high-performance ethos of AMG road engines to create an imposing, ultra-comfortable motorsport statement piece.

The Craft: Titanium Metallurgy & Integrated Genta Geometry

The 42.5mm case is crafted entirely from solid titanium, finished with an even, satin-brushed texture that absorbs glare and delivers exceptional scratch and corrosion resistance. The bezel features the iconic five signature recesses derived from Genta’s original tool-watch architecture, paired with low-profile, ergonomic chronograph pushers.

The matte black dial is built for instant legibility at high speeds. It features bold white Arabic numerals, red-accented sub-dial hands, a central chronograph seconds hand with a red tip, and an outer flange printed with a precision tachymeter scale for calculating velocity. The bicompax sub-dial layout places the 30-minute counter at 12 o'clock and the 12-hour counter at 6 o'clock.

Beneath the solid titanium caseback, deeply engraved with the official Mercedes-AMG emblem, beats the robust IWC Automatic Chronograph Calibre 79350. Operating at 28,800 vph with a 44-hour power reserve, this high-beat engine features integrated shock absorption and a screw-down crown providing a dependable water resistance rating of 120 meters (400 feet).

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