
Self-winding co-axial caliber. This Master Chronometer movement is certified by the Swiss Federal Institute of Metrology (METAS) for resistance to magnetic fields reaching 15,000 gauss. It features a date and power reserve display at 6 o'clock, a small seconds sub-dial at 9 o'clock, a free-sprung balance with a silicon hairspring, and bidirectional automatic winding, all finished with rhodium plating and Geneva waves in an Arabic style.