Automatic mechanical, P.900 calibre, 12 ?? lignes, 4.2 mm thick, 23 jewels, 28,800 alternations/hour. Incabloc?? anti-shock device. Power reserve 3 days, one barrel. 171 components, Function - Hours , Calendar aperture , Small seconds , Minutes. Case - Diameter 42mm, polished steel, Dial - White sun-brushed with luminous Arabic numerals and hour markers. Date at 3 o'clock and small seconds at 9 o'clock, Water Resistance -"5.0 bar (~50.0 metres)". Strap - Black Strap