Movements

This manufacture calibre, developed together with La Joux-Perret, is engineered for uncompromising performance. Its free-sprung variable-inertia balance enables more precise regulation than a conventional system, while the double-fixed balance bridge increases stability where it matters most. The result is greater accuracy, improved robustness and confidence in every mission.

Power Reserve: 70 hours | Variable Inertia Regulation | Performance-Certified | Column Wheel Chronograph | Traversing bridge fixed at both sides | Oversized bridge

The Fortis Werk 17 Automatic Manufacture Calibre features a column wheel chronograph for enhanced reliability. 
It was tested in collaboration with the Swedish Space Corporation. The test consisted of a number of movements fixed on a gondola driven by a stratospheric balloon. Launched at the Esrange Space Center, the test-batch took off into the Stratosphere. After a flight time of 1.5 hours under the harsh cosmic conditions, the movements came back down and landed in the vast forest landscape of Finland. A year later in 2022 the movements have been successfully tested during a rocket campaign. For more details please visit the Fortis YouTube channel 

Power Reserve: 60 hours | Performance-Certified | 28 Jewels |

This manufacture calibre, co-developed with La Joux Perret, marks the beginning of a new era. At its core? A variable-inertia regulation system - originally developed by Patek Philippe - allowing for even finer adjustment than a traditional regulator. This ends up in higher precision and more robustness.

Power Reserve: 70 hours | Performance-Certified | 24 Jewels | Traversing bridge fixed at both sides | Oversized bridge

This Manufacture Calibre co-developed with Kenissi, offers an integrated GMT function with a jumping hour feature that allows the wearer to easily set the local time and change the date forward or backward at any time of the day. 

Power Reserve: 70 hours | Chronometer-Certified | 28 Jewels | Traversing bridge fixed at both sides

This manufacture calibre, co-developed with Kenissi, is certified as a Chronometer by COSC with an impressive power reserve of 70 hours.

Power Reserve: 70 hours | Chronometer-Certified | 28 Jewels | Traversing bridge fixed at both sides

Crafted with the Fortis philosophy of robustness and reliability, this Bicompax chronograph movement is designed for those who demand precision under pressure. 

Power Reserve: 48 hours | Performance-Certified | 27 Jewels

The UW-30 movement is crafted for those who expect unwavering accuracy in every moment.  

Power Reserve: 38 hours | Performance-Certified | 26 Jewels

A built-in alarm is a rare complication in a mechanical wristwatch. a one-of-a-kind movement. The F2001 calibre marks the first movement to combine the functions of an automatic chronograph and a mechanical alarm. It has been developed in collaboration with Paul Gerber. Two barrels ensure that the movement and the alarm operate independently of each other, making this micro-mechanics feat possible. The harmonious ring of the alarm sounds for about 25 seconds if neither interrupted nor switched off with the button at 8 o’clock.

Power Reserve: 48 hours | Chronometer-Certified | 32 Jewels

The F-2012 automatic chronograph movement with alarm function features a second time zone/GMT, an AM/PM indication, time and alarm power reserve indications, a 30-min counter, a 12-hr counter.

Power Reserve: 48 hours | Chronometer-Certified | 39 Jewels