Assembly of chronometric sub-assemblies - Mechanical engineering office - Digital simulation design office (for users) - Methods office / Industrialization - Co-development of products - Climatic and ageing testing (performance) - Climatic and ageing testing (internal use) - Endurance testing (performance) - Endurance testing (internal use) - Climatic and ageing testing (performance) - Mechanical and fatigue testing (internal use) - Pyrotechnical tests - Technology integrator and transfer - Prototypes (design) - Mechanical testing and numerical simulation (vibrations, shocks, drops) - Environmental testing and numerical simulation