Technical characteristics: Movement: Calibre UN-250 – Functions: H/M functions indicated by rotation of the movement “Grinder” Automatic movement system with pawls and flexible guidance. Ulysse Nardin Anchor Constant Escapement, 2.5 Hz oscillator. Large diameter silicium oscillator with nickel inertia-blocks. Self-regulating silicium micro-blades. Silicium finishing gear train. Flying Carrousel (baguette movement): 1 turn in 1 hour - Power reserve: 50 hours at constant amplitude – Case:Platinium case with lateral «brancard » side bars coated blue rub - Bezel :Titanium coated blue rubber lining with 3 titanium riders for easy handling.