The Extra‐fort collection was created in the 1940s.
With a look seemingly unchanged in decades, the Extra‐fort can be considered the forefather
of the contemporary chronographs in the elegant‐sports segment.
The Extra‐fort Automatic (time and date functions) has an automatic mechanical movement protected by a 40 mm diameter steel case, and is waterproof to 50 metres.
The caseback is fixed with six screws, it has a screw‐in crown and the dial is protected by a domed sapphire glass.