IWC Ingenieur Ingenieur SL Chronometer Stainless Steel / White / Bracelet

Reference IW3521-01

IWC Ingenieur SL Chronometer Stainless Steel / White / Bracelet

About this watch

The IWC Ingenieur SL Chronometer IW3521-01 is a masterpiece of watchmaking that seamlessly blends precision, elegance, and history. With a rich heritage dating back to 1868, International Watch Company (IWC) has established itself as a pioneer in luxury timepieces. The Ingenieur line, known for its engineering excellence and stylish designs, takes center stage with this model. The clean white dial features stick and dot indexes that exude sophistication, while the stick hands glide smoothly over the dial, ensuring effortless time-telling. The stainless steel case, measuring 34.00 mm in diameter and 8.80 mm in height, is both durable and elegant, making it perfect for various wrist sizes. The IWC caliber 8872 movement powers this chronometer, boasting a power reserve of 40 hours and accuracy certified through rigorous testing. With a water resistance of 120 meters, this watch can withstand the elements, from swimming to rain showers. Its comfortable design and versatile aesthetic make it suitable for everyday wear, seamlessly transitioning from business attire to casual wear. The IWC Ingenieur SL Chronometer IW3521-01 is not just a timepiece; it's a legacy on your wrist, telling a story of craftsmanship, heritage, and style.

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Market Price: $3,731

Key Features

IWC Caliber 8872 movement
Sapphire glass for durability and clarity
Chronometer certified for accuracy
Water resistance up to 120 meters
Automatic with platinum rotor based on JLC 889/2
40-hour power reserve
36 jewels

Specifications

Brand

IWC

Family

Ingenieur

Model

Ingenieur SL Chronometer Stainless Steel / White / Bracelet

Reference

IW3521-01

Movement

8872

Movement Features

Hours, Minutes, Seconds
Date
Chronometer

Case

Stainless Steel 34mm

Dial Color

White

Crystal

Sapphire

Water Resistance

120

Current Listings

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

IWC - IW323902 · $5,475

This IWC Ingenieur Automatic 40 is a modern classic with a clean and well-preserved black dial, strong legibility, and technical aesthetic. The stainless steel case shows light signs of wear while maintaining its original factory finish and proportions.

Condition: Excellent overall condition, light signs of wear on the case
Size: 40mm diameter
Year: 2017
Water Resistance: 30m depth rating

Posted at

Jan 29, 2026, 4:58 PM

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IWC Ingenieur Blue Dial Automatic 40 | IW328907 | 2025 | Full Set | Factory Warranty Until 2033

IWC - IW328907 · $9,850

The IWC Ingenieur Automatic 40 is a modern reinterpretation of one of IWC’s most iconic integrated-bracelet sports watches, originally designed in the 1970s by Gérald Genta. It preserves the bold industrial character of the original SL design while refining every proportion for contemporary wearability and precision finishing.

Condition: Excellent with minor hairlines
Case size: 40mm diameter
Water resistance: 100m depth rating
Power reserve: 120-hour power reserve

Posted at

Jan 28, 2026, 12:03 AM

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: IWC Micro Adjust Clasp for Ingenieur 40 and MK XX

IWC · $375

A preowned IWC microadjust clasp in excellent condition for sale.

Condition: preowned, excellent
Compatible Models: IWC Ingenieur 40 (IW32890x), MK XX
Price From Msrp: $460

Posted at

Jan 22, 2026, 6:56 PM

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

IWC - IW323902 · $5,475

This IWC Ingénieur Ref. IW323902 is a modern classic offered in never polished stainless steel, featuring a black dial and technical aesthetic.

Condition: Excellent overall condition
Case material: Stainless steel
Bracelet type: Stainless steel bracelet
Bracelet links: All links included

Posted at

Jan 22, 2026, 10:19 AM

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: IWC Ingenieur 40 Blue Dial IW328907 + EXTRAS (adjustable clasp, links)

IWC - IW328907 · $9,300

The IWC Ingenieur Automatic is a 40mm blue dial watch with an IWC 32111 Calibre Movement. It features additional extras such as an adjustable clasp, links, and comes with all original boxes, papers, and warranty.

Condition: Excellent plus
Movement: IWC 32111 Calibre
Accessories: [object Object],[object Object],[object Object]

Posted at

Jan 18, 2026, 5:08 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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IWC Ingenieur Automatic - 40mm - Black Dial - IW328901 ( unworn / 2025 )

IWC - IW328901 · $9,995

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

Posted at

Mar 28, 2025, 3:41 PM

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1980's IWC Ingenieur Ref. IW3506 with Box

IWC - IW3506 · $5,950

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

Posted at

Mar 27, 2025, 1:34 PM

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