Movement: mechanical automatic. Functions: hours, minutes, seconds. Date. Two-counter chronograph (with 60-second and 30-minute accumulators). Case: diameter 44 mm. Steel with matte black PVD finish. Screw-in tappets, crowns and casebacks. Decompression valve. Dial: black. Numerals, index and hands covered in a photo-luminescent coating. Unidirectional internal bezel toothed and graduated to 60 minutes with photo-luminescent pointer. Glass: anti-reflective sapphire. Water-resistance: 500 m. Straps: black rubber Buckle: pin buckle. Steel with matte black PVD finish.