Fortis
Stratoliner S-41 Blue Japan

Fortis’ Stratoliner series has been contributing to missions in the sky and space since 1962. The Stratoliner S-41, which was newly released in 2022, uses recycled stainless steel for the case as a manufacturer with a focus on sustainability. A chronograph equipped with the caliber WERK17. You can see the movement of the WERK17, which uses a column wheel for its control mechanism, from the back of the watch. The movement has been tested and certified under harsh conditions in the stratosphere by Fortis’ new partnership with the Swedish Space Corporation.

A dial design that matches space travel
A redefined design with visionary features. Space blue markings represent the various stages of Virgin Galactic’s spaceflight.

Rapid rise: The line of the chronograph second hand indicates the time of rapid rise.
Zero gravity: The line on the 30 minute counter at 12 o’clock indicates the maximum time of 15 minutes.
Spacecraft and ascent: The 12-hour meter at 6 o’clock can measure 90 minutes of ascent.

A space tested movement by the Swedish Space Corporation SSC
The Swiss automatic movement WERK17 is a new caliber from the manufacture movement manufacturer La Joux Perret. The self-winding chronograph movement features a column wheel for precise control and a custom-made traversing bridge for ultimate robustness, which was also proven in stratospheric tests by the Swedish Space Agency . With a 60-hour power reserve, it complies with Fortis’ performance requirements and delivers maximum precision in all environments. Click here for details of the test conducted by the Swedish Space Corporation.