Movement - Automatic mechanical, P.9010 calibre, 13¾ lignes, 6.0 mm thick, 31 jewels, Glucydur® balance, 28,800 alternations/hour. Incabloc® anti-shock device. Power reserve 3 days, two barrels. 200 components, Functions - Small seconds , Calendar aperture , Minutes , Hours, Case - Diameter 44mm, brushed steel, Dial - Black with luminous Arabic numerals and hour markers Date at 3 o'clock and small seconds at 9 o'clock.Water Resistance, "30.0 bar (~300.0 metres)", Strap - Polished and brushed steel with OP logo engraved.