IWC Ingenieur SL Automatic Ref 3506 Grey

IWC Ingenieur SL Automatic Ref 3506 Grey "Graph Paper Dial"

Marsoni

M251S

$4150.00

Get it in 3 business days with 1 day shipping. Friday, May 29

IWC Ingenieur SL Automatic Ref 3506 Grey "Graph Paper Dial"In the mid 1970s, IWC decided to redesign the Ingenieur to give it a more "fashion forward" look. With this new model, IWC aimed to emulate the success of one of its rivals. A few years earlier, Audemars Piguet had struck gold with the luxury steel sports watch, the "Royal Oak," designed by Grald Genta. In response, IWC brought Genta on board (who also designed the steel Patek Philippe Nautilus) to redesign the Ingenieur, along with two other models:

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Love these and my dogs love them to! Not nearly as noisy as a squeaky ball (thank goodness) and they bounce which are dogs love. They will fetch them, and they will play by tossing it up and pouncing on it when it bounces. They literally entertain themselves with it when we aren't playing fetch. Much more durable than the round rubber / latex squeaky ball / toys.

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Reviewed in the United States on May 17, 2026

Verified Purchase

W. Clark

Omaha, US

★★★★★ 4

Quality item.

Size: Small 2"

These seem to be quality dog toys. I bought them for a friend's chihuahua. My cats were unimpressed, lol. The chihuahua had never seen a ball. He seemed curious, but would not approach this new item. Time will tell. The bells have a very loud shrill sound, completely unlike any I've ever heard before.

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Reviewed in the United States on January 22, 2026

Verified Purchase

Denise A Johnson

Houston, US

★★★★★ 5

What I was looking for!

Size: Large 3"

I bought these to continue playing fetch with my blind dog, she loves it! The only downside is the bell has slipped out once in a great while, but is easily reinserted.

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Reviewed in the United States on May 27, 2026

Verified Purchase

Madisontutu

West Palm Beach, US

★★★★★ 5

great for our blind dog

Size: Large 3"

our pup is a blind but active senior and these balls have a bell inside so she can continue playing ball! this is the second time i have ordered these.. love um!

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Reviewed in the United States on May 31, 2026