SKU: 93389029960

IWC Ingenieur Chronometer Automatic Black Dial Anti Magnetic Ref 3521 from 1990s

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Description

IWC Ingenieur Chronometer Automatic Black Dial Anti Magnetic Ref 3521 from 1990sIWC Ingenieur Automatic Ref. 3521 Genta Designed Steel Sports Watch A compelling fusion of technical purity and iconic design, the IWC Ingenieur Ref. 3521 holds a quietly prestigious place in sports watch history. Designed by the legendary Grald Genta and crafted for function first durability, this model is a refined expression of antimagnetic engineering in an everyday luxury package. Design & Legacy Gentas Quiet Masterpiece Grald Gentarenowned for

IWC Ingenieur Automatic Ref. 3521 – Genta-Designed Steel Sports Watch

A compelling fusion of technical purity and iconic design, the IWC Ingenieur Ref. 3521 holds a quietly prestigious place in sports watch history. Designed by the legendary Gérald Genta and crafted for function-first durability, this model is a refined expression of anti‑magnetic engineering in an everyday luxury package.

Design & Legacy – Genta’s Quiet Masterpiece

Gérald Genta—renowned for the Royal Oak, Nautilus, and many other icons—lent his influential design language to IWC's Ingenieur series in the 1970s. The early Ingenieur SL (“Steel Line”) models featured bold cases with screwed bezels, integrated H‑link bracelets, and structured dials that firmly asserted their technical character.

By the early 1990s, IWC introduced the 34 mm Ref. 3521—deliberately more wearable than its “Jumbo” predecessor yet no less substantial in engineering. It remains the only chronometer-certified—or COSC—model of the Ingenieur line.

Technical Prowess – Chronometer & Anti-Magnetic Protection

The Ref. 3521 is officially certified as a chronometer, ensuring precision at the pinnacle of mechanical regulation. Its anti‑magnetic resistance reaches up to 40,000 A/m (~500 gauss)—more than meeting the ISO 764 standard (4,800 A/m) for magnetic‑resistant watches.

Inside, it houses the rugged IWC caliber 887/2—based on Jaeger‑LeCoultre’s 889—complete with a robust automatic winding system, a solid platinum rotor, and approximately 38 hours of power reserve.

A Tribute in Steel – Refined Yet Bold

With a case size of 34 mm, the Ingenieur Ref. 3521 avoids oversized showroom appeal and instead offers refined presence—balancing vintage-correct proportions with modern wearability. Constructed in stainless steel, often with matching integrated bracelet, it has a discreet yet assured visual identity .

Rarity, Appreciation & Collector Value

Though quietly launched and never reaching the fame of Genta’s Royal Oak or Nautilus, the Ref. 3521 has become something of a sleeper classic. Its rarity, precision certification, and Genta pedigree have made black‑dial variants—like the one we’re discussing—especially sought after among enthusiasts.This Example – Detailed Overview

Condition & Performance

  • Movement Performance: Running exceptionally well, keeping excellent time at +3 seconds/day, with 0.0 ms beat error and 320° amplitude—signifying a well-tuned movement.

  • Case & Bracelet: Honest vintage condition; light signs of wear on the steel case that attest to its genuine age and use. Bracelet measures 18 cm—ideal for many wrists.

  • Crystal & Dial: Sapphire glass remains clear and unmarked. The black dial shows minor imperfections consistent with age, giving it authentic character without detracting from legibility or elegance.

  • Design Accents: Golden details on the black dial enhance its depth and aesthetic appeal.

Key Details:

  • Reference: IWC Ingenieur Automatic Ref. 3521 (1990s)

  • Designer: Gérald Genta

  • Movement: IWC Caliber 887/2 Automatic (based on JLC 889), Chronometer-Certified

  • Anti-Magnetic: 40,000 A/m (~500 gauss)

  • Case Size: 34mm

  • Case Material: Stainless Steel with Integrated Bracelet

  • Crystal: Sapphire Glass

  • Dial: Black with Golden Accents, Minor Vintage Imperfections

  • Hands: Luminous Baton Hands

  • Crown: Screw-Down, Signed IWC

  • Bracelet Length: 18cm

  • Condition: Honest vintage; well serviced, strong amplitude, clear sapphire

Why This Watch?

The IWC Ref. 3521 is a rare blend of Genta design, technical rigor, and wearability. It embodies IWC’s heritage of anti-magnetic innovation—originally borne from mid-century scientific demands—combined with visual DNA from one of watchmaking's most influential designers. This elegant sport watch offers COSC-certified precision in a sleek, understated form that appeals to both collectors and daily wearers.

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SKU: 93389029960

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ROBERTO Avalos
Charlottesville, US
★★★★★ 5
very good price
Size: 24"+19"+10A"
I needed to replace the wiper blades on my Jeep Wrangler JK, so I first went to a local auto parts store. The prices were pretty expensive, and they didn’t even have the correct replacement for my rear wiper blade. That’s when I decided to order the UTOBOO 15"+15" Windshield Wipers with 13 Inch Rear Wiper Blade Replacement online, and I’m really glad I did. The set arrived quickly and included everything I needed for both the front and rear wipers. Installation was very easy and only took a few minutes. They fit well on my Jeep, and the blades feel sturdy and made from good-quality materials. After using them, they wipe smoothly and leave the windshield clean without streaks, which is exactly what you want, especially in rain or dusty conditions. Overall, this is a great value compared to buying individual blades in-store, and it’s especially convenient since it includes the rear wiper replacement too. I would definitely recommend these to other Jeep Wrangler owners looking for an affordable and reliable option. ------Tip, don't forget to take off the green plastic, If you check the comments many people argues that the wipers don't work but in the pictures you can see they did not take off the green plastic protector. ----
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Reviewed in the United States on March 23, 2026
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Jacob A.
Natrona Heights, US
★★★★★ 5
Easy to install and works great!
Size: 26"+16"+12"
This was probably the easiest set of windshield wipers I've ever installed. It came out of the box with the correct locking hardware pre-installed for my car which made installation quick and easy. They felt solid in the hand, as if they're going to hold up over time and through the seasons, and looks to be made of comparable materials to OEM parts. Once installed, the blades worked exactly as expected. They're not slow or wobbly, and I no longer have any streaks on my front windshield. Great kit, 10/10 would recommend to anyone! Just make sure you're choosing the correct one for your make and model!
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Reviewed in the United States on April 29, 2026
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Mike Johnson
Louisville, US
★★★★★ 5
Great performance and very easy to install.
Size: 26"+16"+12"
I own a 2019 Subaru Crosstrek that I recently purchased. I joined a social media group that is geared to Crosstrek owners to learn more about this model. I have read quite a few posts on replacing your wiper blades. Many owners reported that you had to use OEM blades from the dealer. Others reported that you could use aftermarket, but needed adapters. Finally, some people stated they just went to Amazon and ordered blades that fit perfectly. I chose the Amazon route...and am pleased that I did! I found these blades that stated they fit the Crosstrek. The price was decent, and the reviews were positive, so I ordered a set. They arrived very quickly and were well packed so that there were no damages. The set is three blades: the two front and one rear wiper. The quality appeared to be great, with solid frames and heavy rubber blades. Changing out the front wipers couldn't have been easier! You simply push a button on the blades and they slide right off the wiper arms, then the new blades slides on and snaps into place. I believe it literally took less than two minutes to change out both blades! The rear was slightly more difficult. You position the old blade perpendicular to the arm and it pops off, then you slip the new blade on and snap it onto the arm. NO ADAPTERS WERE REQUIRED! Front and rear blades attached perfectly out of the box! The performance is great as well. We recently had almost three days of steady rain (a very welcome storm for our drought-ridden Colorado!), and they kept up with the rain streak free! I've only had them on for a month or so, so I can't comment on their long-term durability, but the rubber is holding up very well so far. I'm not sure if they have these for all makes and models of vehicles, but if they do have yours, I would definitely recommend these for your vehicles!
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Reviewed in the United States on May 17, 2025
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Train Music
Battle Creek, US
★★★★★ 5
Perfect fit for my 2024 Subaru Ascent, clear visibility in heavy rain
Size: 26"+20+14
I purchased these wiper blades as a replacement for the originals on my 2024 Subaru Ascent, and they fit perfectly right out of the box. Installation was quick and straightforward, everything lined up exactly as expected with no adjustments needed. Once installed, the difference was immediately noticeable. The windshield clears smoothly with no streaking or skipping, even during steady rain. **What stood out:** * Exact fit for my 2024 Subaru Ascent * Easy installation * Quiet operation (no squeaking or chatter) * Very clear visibility during rainstorms (I get very nervous driving in the rain) After driving in several rainy conditions, my windshield stays crystal clear, which makes a big difference for nighttime driving and highway visibility. **Overall:** Great quality for the price and performs just as well as more expensive name-brand replacements. I would definitely purchase these again and recommend them to other Subaru Ascent owners looking for an easy, reliable replacement.
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Reviewed in the United States on February 28, 2026
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catspurr
Whiting, US
★★★★★ 5
Good Product
Size: (Pack of 1)
Came with all necessary supplies. Seemed to be of good quality and my taco is running well after the oil change. Will buy again.
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Reviewed in the United States on May 16, 2026

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