IWC Ingenieur Big Ingenieur Chronograph Platinum / Silver / Strap

Reference IW3784-03

About this watch

The IWC IW3784-03 Big Ingenieur Chronograph in Platinum is a masterpiece that combines engineering excellence with timeless elegance. With its striking platinum case and unique 'Panda' dial, this watch is not just a tool for keeping time; it’s a statement piece. The 45.50 mm diameter gives it a bold presence on the wrist, while the 14.50 mm height ensures it sits comfortably without being bulky. The IWC caliber 89361 movement, a self-winding flyback chronograph, showcases IWC's commitment to horological excellence with 38 jewels and a power reserve of 68 hours. With a water resistance of up to 120 meters, this watch is suitable for swimming and snorkeling. Its limited production of just 250 units makes it a sought-after item among collectors.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Platinum case
  • IWC caliber 89361 movement
  • Water resistance up to 120 meters
  • Chronograph function with flyback mechanism
  • Limited edition of 250 units
  • 45.50 mm diameter platinum case
  • Unique 'Panda' dial design

Specifications

Brand
IWC
Family
Ingenieur
Model
Big Ingenieur Chronograph Platinum / Silver / Strap
Reference
IW3784-03
Movement
89361
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronograph, Flyback
Case
45.5mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
120

Current Listings

Platinum IWC Big Ingenieur Chronograph Fly-back, IW378403, Limited Ed. Complete

Platinum IWC Big Ingenieur Chronograph Fly-back, IW378403, Limited Ed. Complete

IWC - IW378403 · $16,795
The watch is a rare, limited edition IWC Big Ingenieur Chronograph Fly-back with a Solid Platinum Case, Rhodium Textured Dial, and Black Sub-Dials. It features a 3784-03 chronograph complication, fly-back function, and 68 hours Power Reserve.

  • Condition: Very good, some scuffs and small scratches from careful use
  • Case material: Solid Platinum
  • Diameter: 40mm
  • Thickness: 15mm
Posted at
Mar 6, 2025, 2:52 AM
Active
[WTS] IWC Ingenieur 40 Aqua, Box and Papers, Factory Serviced and unworn since. Full Kit.

IWC Ingenieur 40 Aqua, Box and Papers, Factory Serviced and unworn since. Full Kit.

IWC - Ingenieur 40 Aqua · $9,100
A beautiful IWC Ingenieur 40 Aqua with an amazing dial design that catches the light.

  • Condition: Unworn since IWC service, fantastic condition
  • Box and papers included: true
  • Factory serviced: true
  • Service papers included: true
Posted at
May 17, 2026, 4:01 PM
Active
[WTS] IWC Ingenieur Automatic 40 Titanium IW328904 — Rhodium Grid Dial — 2025 Full Set

IWC Ingenieur Automatic 40 Titanium IW328904 — Rhodium Grid Dial — 2025 Full Set

IWC - IW328904 · $12,300
This is a 2025 IWC Ingenieur Automatic 40 in Grade 5 titanium, featuring a sand-blasted and polished case, rhodium Grid dial, and integrated titanium bracelet. It has an in-house Calibre 32111 with 120-hour power reserve and anti-magnetic protection.

  • Condition: Excellent
  • Case material: Grade 5 titanium
  • Case dimensions: 40mm x 10.7mm, 45.7mm lug-to-lug
  • Bracelet material: Grade 5 titanium
Posted at
May 16, 2026, 6:27 AM
Active
[WTS] PRICE DROP! IWC Ingenieur Chronograph Limited Racing Edition Ref IW380702

PRICE DROP! IWC Ingenieur Chronograph Limited Racing Edition Ref IW380702

IWC - IW380702 · $3,250
This IWC Ingenieur Chronograph Limited Racing Edition features a gray sunburst dial with racing red pops and an in-house automatic chronograph caliber 69370 movement.

  • Condition: Super clean, light wear as expected
  • Case size: 42MM
  • Diameter: 42MM diameter
  • Movement type: In house automatic chronograph
Posted at
May 12, 2026, 9:44 PM
Active
[WTS] IWC Ingenieur Automatic Black Ceramic 42mm IW338903 ( unworn / 2026 / box and papers )

IWC Ingenieur Automatic Black Ceramic 42mm IW338903 ( unworn / 2026 / box and papers )

IWC - IW338903 · $19,450
This IWC Ingenieur Automatic is a 42mm black ceramic watch with an automatic movement and comes with all original boxes, papers, and warranty.

  • Condition: Unworn
  • Case size: 42mm diameter
  • Movement: IWC 82110 Calibre Movement
Posted at
May 11, 2026, 12:36 PM
Active
[WTS] IWC Ingenieur Automatic 40mm Blue IW328907 ( unworn / 2026 / box and papers )

IWC Ingenieur Automatic 40mm Blue IW328907 ( unworn / 2026 / box and papers )

IWC - IW328907 · $10,250
This IWC Ingenieur Automatic watch features a 40mm stainless steel case and IWC 32111 calibre movement. It comes with a blue dial and is complete with all boxes, papers, and tools.

  • Condition: unworn
  • Case material: stainless steel
  • Movement: IWC 32111 Calibre
  • Shipping cost international: 150
Posted at
May 11, 2026, 12:21 PM
Active
[WTS] IWC Ingenieur ref. 3305 | Gerald Genta Design

IWC Ingenieur ref. 3305 | Gerald Genta Design

IWC - 3305 · $3,500
The IWC Ingenieur ref. 3305 is a refined luxury steel sports watch with a white graph paper dial, designed by Gérald Genta and features a screwed-in bezel and integrated H-link bracelet.

  • Condition: Very good overall condition
  • Case Diameter: 34 mm
  • Case Thickness: 8.8 mm
  • Dial Type: White Graph Paper Mesh
Posted at
May 10, 2026, 3:40 PM
Active
[WTS] IWC Ingenieur Automatic 42 – Full Ceramic – Complete Set Mint Condition – IW338903

IWC Ingenieur Automatic 42 – Full Ceramic – Complete Set Mint Condition – IW338903

IWC - IW338903 · $17,500
The IWC Ingenieur Automatic 42 Ceramic features a full black ceramic case and integrated bracelet, with exceptional scratch resistance and a lightweight design. The textured grid dial, bold indices, and signature bezel design give it a strong, technical presence.

  • Condition: Mint all around condition
  • Movement: IWC 82110 automatic in-house movement
  • Water Resistance: 100m depth rating
  • Case Size: 42mm diameter
Posted at
May 10, 2026, 1:51 PM
Active
[WTS] IWC Ingenieur Automatic 40 IW328904 Titanium Complete

IWC Ingenieur Automatic 40 IW328904 Titanium Complete

IWC - IW328904 · $14,250
The IWC Ingenieur Automatic 40 IW328904 is a masterclass in engineering-driven design, blending heritage, innovation, and everyday wearability into one of the most compelling modern luxury sports watches on the market. Crafted from lightweight yet highly durable titanium, the 40mm case and integrated bracelet deliver exceptional comfort while maintaining a bold, technical presence on the wrist.

  • Condition: Mint condition
  • Material: Titanium
  • Case size: 40mm diameter
  • Water resistance: unknown
Posted at
May 9, 2026, 3:01 PM
Active