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What kind of model is IWC's GST series?

When looking at vintage IWC watches, you come across some very cool models.

Among these watches, you will find some that have "GST" written on them.

What does this GST stand for?

Here, we will explain in detail the features and appeal of the GST model.

GST was born from a collaboration between Porsche Design and IWC

Most people are probably familiar with the car manufacturer Porsche, but did you know that there is a company called Porsche Design that was spun off from Porsche and is solely responsible for design?

Porsche Design, which is renowned for its design, has designed many watches for IWC throughout history, and IWC has produced them, including the GST.

First of all, " GST" is an acronym combining the initials of "Gold," "Stainless," and "Titanium."

This means that it was available in three materials: stainless steel, titanium, and gold.

The GST is a watch that combines superior design and functionality, and was created in collaboration with Porsche Design.

IWC's GST series was introduced in 1997 and was sold until 2003.

Although the production period was only seven years, during that time the lineup included models equipped with a wide range of functions, such as chronograph, alarm, rattrapante, perpetual chronograph, and Deep One.

All Models

The models in the GST series are as follows:

  • GST Chrono (Model Number: 3503, 3504, 3505, 3506)
  • GST Aquatimer (Model numbers: 3511, 3512, 3513, 3514)
  • GST Alarm (Model Number: 3537, 3538, 3539, 3540)
  • GST Rattrapante (Model Number: 3550, 3551, 3552, 3553)
  • GST Perpetual Chrono (Model numbers: 3560, 3561, 3562, 3563)
  • GST Deep One (Model Number: 3570, 3571, 3572, 3573)

Trends in the used market

Even after production of the GST series ended, it remains popular on the second-hand market due to its high design and functionality. Models with high functionality, such as chronographs and alarms, are especially popular and fetch high prices.

Titanium models are also more rare and command higher prices than their stainless steel counterparts.


The IWC GST series is a sports watch that combines excellent design and functionality, created in collaboration with Porsche Design. Even after production ended, its popularity has not waned and it is traded at high prices on the second-hand market.

Beginner's guide

The GST series is a sports watch created in collaboration with Porsche Design. Porsche Design is a company established by the design department of the automobile manufacturer Porsche. Therefore, the GST series has a design reminiscent of Porsche sports cars.

The GST series also includes highly functional models with features such as chronographs and alarms, and is popular on the second-hand market. Titanium models in particular are highly rare and trade at high prices.

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