automatic chronograph movement by Union, introduced in 1997.
This movement is identical in construction with the Glashütte Original Calibre 39. It is a modular movement with a cam/lever design. It operates at 28,800 A/h, measures 25.6 mm in diameter, and offers 40 hours of power reserve.
- Stop mechanism depending on the add-on module
- Complications depending on the add-on module