URWERK UR-EMC BLACK Technical Specifications Case Material: Black coated Grade 5 titanium Dimensions: 43mm width, 51mm length, 15.8mm height Crystal: Sapphire crystal Water resistance: Pressure tested to 30m / 3ATM Finishing: Satin finish; shot-blasting Movement Calibre: UR-EMC calibre conceived, developed and manufactured by URWERK Escapement: Swiss lever escapement Balance wheel: in ARCAP P40, linear balance coupled to the optical sensor Frequency: 28,800 vph – 4HzBalance spring: Flat Energy Source: Vertically mounted double mainspring barrels, connected in series Power reserve: 80 hours Winding: Manual Winding Finishing: Côtes de Genève, snailing, micro-bead blasting, polished bevels on screw heads Artificial intelligence Generator: Maxon® generator with manual winding charging supercapacitor EMC system: Optical sensor controlled by an integrated circuit board; 16'000'000hz reference oscillator Indications: Hours, minutes, seconds; precision delta, power reserve. Timing adjustment screw