IWC Ingenieur Big Ingenieur Chronograph Stainless Steel / Silver / Strap

Reference IW3784-05

IWC Big Ingenieur Chronograph Stainless Steel / Silver / Strap

About this watch

The IWC Big Ingenieur Chronograph IW3784-05 is a stunning example of IWC's ingenuity, combining quality, durability, and aesthetics in a robust and striking stainless steel case with a diameter of 45.50 mm. The silver dial features stick and dot indexes offering a sleek modern look, while the open sapphire case back showcases the intricate IWC movement, inviting admiration from every angle. With a self-winding flyback chronograph movement boasting a 68-hour power reserve and a frequency of 28,800 vibrations per hour, this watch is precision that watch enthusiasts crave. The flyback chronograph function allows for quick resetting of the timer without having to stop it first, perfect for timing multiple events seamlessly. With a water resistance of up to 120 meters, this timepiece is designed to withstand the rigors of daily life. Whether you're in a boardroom meeting or out for a weekend brunch, the IW3784-05 exudes confidence and style.

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Key Features

Stainless steel case with diameter of 45.50 mm
Silver dial with stick and dot indexes
Open sapphire case back showcasing IWC movement
Self-winding flyback chronograph movement
68-hour power reserve
Water resistance up to 120 meters

Specifications

Brand

IWC

Family

Ingenieur

Model

Big Ingenieur Chronograph Stainless Steel / Silver / Strap

Reference

IW3784-05

Movement

89361

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph, Flyback

Case

Stainless Steel 45.5mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

120

Current Listings

IWC Ingenieur Automatic 40 Full Steel Black Dial 2017 (Full-Set/Unpolished)

IWC - IW323902 · $10,850

This IWC Ingenieur Automatic 40 is a modern classic in excellent condition. The black dial offers strong legibility and a balanced aesthetic. The watch comes complete with original boxes and papers.

Condition: Excellent overall condition, with light honest signs of wear
Case diameter: 40mm
Water resistance: 3 ATM (30 meters)
Bracelet: stainless steel with all links

Posted at

Dec 27, 2025, 4:39 AM

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IWC Ingenieur Aqua Green IW328903

IWC - IW328903 · $8,950

The watch features a beautiful Aqua Green dial and is in excellent condition, with only minor hairlines on the middle links.

Condition: 9/10, minor hairlines on middle links
Case material: polished steel
Warranty status: active until September 3, 2032

Posted at

Dec 25, 2025, 11:13 AM

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IWC Ingenieur Perpetual Calendar 41 | IW344903 | 12/2025 Complete Set

IWC - IW344903 · $31,500

This IWC Ingenieur Perpetual Calendar is a complete set from 2025, featuring a perpetual calendar function. The watch is in excellent condition, with a warranty card, instruction book, and cleaning cloth included.

Condition: N3W, 11/10 condition
Retail price: 40,800.00
Warranty expiration date: 12/2025
Delivery method: FedEx

Posted at

Dec 24, 2025, 7:58 PM

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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

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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

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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

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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

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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

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