Male watches Fortis Stratoliner S-41 Cool Gray F2340007

The Swiss watch Fortis Stratoliner S-41 Cool Gray F2340007 clearly bears Fortis’ distinctive space signature. Perfect legibility, robustness and durability are a given. This model features a manufacture movement, developed specifically for travel into space and tested in the stratosphere. However, you will use this watch not only on a journey into space, but also for everyday wear.

The Fortis Stratoliner S-41 Cool Gray F2340007 has a case made of recycled stainless steel, complemented by a steel strap. Fine adjustment of the strap length without the use of tools is enabled by a sliding mechanism on the buckle. Inside the case, the manufacture Swiss mechanical movement Fortis WERK 17 (made for Fortis in cooperation with the manufacture La Joux-Perret) with automatic winding operates reliably. It runs at a frequency of 28800 vibrations per hour, has 26 jewels and an extended power reserve of 60 hours. You can use the chronograph function with a minute counter at 12 o’clock and an hour counter at 6 o’clock. The movement also has a hacking function (stopping the seconds hand when setting) and the option of manual winding via the crown. The movement can be observed through a sapphire crystal transparent case back. At 3 o’clock there is a practical date and day-of-the-week display.

The perfectly legible dial is protected by a sapphire crystal, which is highly resistant to scratches. The double-sided anti-reflective coating ensures excellent readability even in direct sunlight. Readability in the dark and in reduced light conditions is provided by SuperLuminova luminescence, applied to the hands. The water resistance of this model is 200 m, so it can handle greater contact with water, such as swimming, or a dive to approx. 20 metres. Water resistance is supported by a screw-down crown.

The Fortis WERK 17 movement was developed and manufactured in cooperation with La Joux-Perret and is the first movement that is directly designed and intended for use in space. So far, in cooperation with the Swedish space agency Swedish Space Corporation, the movement has been tested in the stratosphere, where thirteen bare, unprotected watches were attached to a gondola mount. A balloon powered by gaseous helium carried it into the stratosphere. The data were then recorded on a device below it. Of course, the ultimate goal was not only the watch’s survival in the stratosphere. One of the conditions is also, among other things, uncompromised timekeeping accuracy. However, this is only the beginning of the space mission of the Fortis WERK 17 movement. In cooperation with the Swedish space agency Swedish Space Corporation, this movement is to be sent 30 km into space to find out whether it can withstand harsh conditions such as microgravity, extreme temperatures and radiation.

Reviews, articles and tests:

• New Fortis Stratoliners as if they fell from the sky

• Fortis Stratoliner S-41 take space seriously – they were tested here (similar model)

Podcast TikTalk Helveti:

• The modern form of the brand has all doors wide open

Personal delivery: For this model we offer the option of personal delivery (Prague and Central Bohemian Region) of the watch by the brand guarantor. If you are interested, please add a note to the order and we will contact you. More information here.