Mechanical automatic movement. Functions: hours, minutes, seconds. Date. Two-counter chronograph (with 60-second and 30-minute accumulators). Steel case with matte black PVD finish. 44 mm diameter. Screw-in tappets, crowns and case back. Decompression valve. Black dial. Numerals, index and hands covered in a photo-luminescent coating. Notched unidirectional internal bezel graduated to 60 minutes with photo-luminescent pointer. Anti-reflective sapphire glass. Water-resistance: 500 m. Black rubber strap. Steel pin buckle with matte black PVD finish.