Type: WatchesObject/Variety: MenMovement: Automatic mechanical, exclusive Panerai OP XVII calibreFunctions: Hours, minutes, little seconds. Split-seconds chronograph w/two counters, tachymeter scaleCase: Diameter 44 mm, brushed steel. Refined steel push buttons for the chronograph works at 2 and 4 o'clock. Button for the split-second function at 8 o'clockBezel: Polished steelBack: See-through sapphire crystalDevice Protecting the Crown: (safeguarded as a trademark) Polished steelDial: Black, with luminescent hour markers and Arabic characters. Minute counter at 3 o'clock, small seconds at 9 o'clock, main chronograph and split-seconds hands, tachymeter scale on the external partCrystal: Sapphire, made from corundum, 2 mm thick. Anti-reflective coatingWater-resistance: 100 metresStrap: PANERAI individualized calf strap with carbon fibre pattern and brushed steel adjustable buckle. Supplied with a 2nd interchangeable rubber strap, a device to alter a steel and the strap screwdriver.