Polished finished stainless steel case & bezel. Black dial with engraved aged colored luminous Arabic Numeral & Index hour markers. Polished steel hands with aged colored luminous fill. Small seconds sub-dial located at the 9 o\'clock position, with luminous 15 seconds markers. Panerai in-house Caliber P.4000, Off-centered rotor, beats at 28,800 vph, composed out of 203 parts, contains 31 Jewels & has an impressive power reserve of 72 hours (3 days).