IWC Ingenieur Ingenieur SL Perpetual Calendar / Strap / English

Reference IW3540-03

IWC Ingenieur SL Perpetual Calendar / Strap / English

About this watch

The IWC IW3540-03 Ingenieur SL Perpetual Calendar is a true horological marvel, combining exquisite craftsmanship with cutting-edge technology. Its unique features and timeless aesthetic make it more than just a timekeeper; it's a statement piece. The watch boasts an elegant yellow gold case, a white dial with stick and dot indexes, and a perpetual calendar complication that accounts for varying month lengths and leap years. At the heart of this masterpiece is the IWC caliber 35782 movement, known for its reliability and precision. With a power reserve of 42 hours and a frequency of 28,800 vibrations per hour, it ensures accurate timekeeping day in and day out. The watch's comfort and style make it ideal for daily wear and special occasions, with a water resistance of 30 meters typical for a dress watch. Whether you're a seasoned collector or a first-time luxury watch buyer, the IW3540-03 is a versatile choice that will serve you well for years to come.

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Key Features

Yellow gold case
Perpetual calendar complication
Moonphase indicator
IWC caliber 35782 movement
42-hour power reserve
28,800 vibrations per hour
30-meter water resistance

Specifications

Brand

IWC

Family

Ingenieur

Model

Ingenieur SL Perpetual Calendar / Strap / English

Reference

IW3540-03

Movement

35782

Movement Features

Hours, Minutes, Seconds
Date, Day, Leap Year, Month, Perpetual Calendar, Year Indicator
Moonphase

Case

Yellow Gold 34.5mm

Dial Color

White

Crystal

Sapphire

Water Resistance

Current Listings

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IWC - IW328904 · $14,450

This IWC Ingenieur Automatic 40mm Titanium watch features a grey dial and comes complete with all boxes, papers, booklets, tools, and an IWC Warranty Card. It is in unworn condition.

Condition: Unworn
Case size: 40mm diameter
Movement: IWC Calibre 32111

Posted at

May 6, 2026, 1:17 PM

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2024 IWC Ingenieur Titanium IW328904 - Full Set with Extended Warranty

IWC - IW328904 · $13,299

Condition: Pristine pre-owned condition
Case Size: 40mm diameter
Case Thickness: 10.8mm
Water Resistance: 100m / 330ft depth rating

Posted at

May 6, 2026, 9:24 AM

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IWC Ingenieur Chronograph Limited Edition Rudolph Caracciola Racing Ref IW380702

IWC - IW380702 · $3,350

A limited edition IWC Ingenieur Chronograph in honor of Rudolf Caracciola, featuring a gray sunburst dial and stainless case. It's powered by the in-house chronograph caliber 69370 movement.

Condition: Super clean condition, with light wear as expected
Case size: 42MM
Movement type: In-house automatic chronograph

Posted at

May 5, 2026, 9:38 PM

Active

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

IWC - IW338903 · $17,500

The IWC Ingenieur Automatic 42 Ceramic features a full black ceramic case and integrated bracelet, offering exceptional scratch resistance while keeping the watch lightweight and comfortable on the wrist. The textured grid dial, bold indices, and signature bezel design give it a strong, technical presence that stands apart from typical steel sports models. This modern take on the Ingenieur line blends Gérald Genta-inspired design with ceramic materials.

Condition: Mint all around condition
Case material: full black ceramic
Bracelet type: integrated ceramic
Movement: IWC 82110 automatic in-house movement

Posted at

May 2, 2026, 2:36 PM

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IWC Ingenieur Automatic 40mm Black IW328901 ( excellent / 2025 / box and papers )

IWC - IW328901 · $9,950

A pre-owned IWC Ingenieur Automatic 40mm Black Dial watch in excellent condition, complete with all original boxes, papers, and accessories.

Condition: Excellent
Case size: 40mm

Posted at

May 1, 2026, 2:03 PM

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IWC Ingenieur Automatic 40 IW328904 Titanium Complete

IWC - IW328904 · $14,250

The IWC Ingenieur Automatic 40 is a masterclass in engineering-driven design, blending heritage and innovation into one of the most compelling modern luxury sports watches. Crafted from titanium, the 40mm case and integrated bracelet deliver exceptional comfort while maintaining a bold presence on the wrist.

Condition: Mint condition
Movement: Caliber 32111 automatic
Power reserve: 120 hours
Case material: Titanium

Posted at

May 1, 2026, 12:02 PM

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IWC Ingenieur Chronograph Limited Rudolph Caracciola Racing Edition Ref IW380702

IWC - IW380702 · $3,450

A limited edition IWC Ingenieur Chronograph, released in honor of Rudolf Caracciola, featuring a gray sunburst dial and in-house chronograph caliber 69370 movement.

Condition: Super clean, light wear
Movement: In house automatic chronograph caliber 69370
Case Size: 42MM stainless case, unpolished
Diameter: 40mm diameter

Posted at

Apr 27, 2026, 9:26 PM

Active

View listing on r/WatchExchange