After the Academic Original, Speake Marin launches an upgraded Academic Black Tie with a black lacquer dial. The Academic Black Tie is dressed with the rich deep polished black lacquer topped with applied Roman numerals. CASENew generation Piccadilly case in titanium-Grade 5. Front and back sapphire crystal treated with anti-reflective coating. Thickness: 10. 5mm DIALBlack lacquer dial, Billight black matt Super Lumi Nova® hours markers. Small seconds at 1. 30Calibre: SMA03 automatic movement with fully integrated micro-rotor. Power reserve: 52 hours Frequency: 28, 800 v. p.h / 4Hz BRACELETLeather strap matching the dial colour. Interchangeable watch straps come in a variety of colors and fabrics. Buckle: Titanium folding buckle LIMITED EDITIONUnlimited Edition