La Joux-Perret F100

The LJP F100 is an impressive 8-day (192-hour) power reserve manual-wind movement achieved through the use of two mainspring barrels. Features a 270-degree power reserve indicator at 12 o'clock, small seconds at 6 o'clock, and date display at either 3 or 6 o'clock position. The large 33mm diameter accommodates the dual barrel architecture. Also known as LJP 7513 in some references. Used in the Robot Aerodynamic watch. A true complication movement showcasing La Joux-Perret's haute horlogerie capabilities.