This Luminor Marina has a stainless steel case and bezel. Instantly recognizable brushed steel Crown Protector. Black dial with engraved luminous Arabic Numeral & Index hour markers. Polished rose gold colored hands with luminous fill. Small seconds sub-dial located at the 9 o\'clock position, with luminous 15 seconds markers. Cambered (domed) Sapphire Crystal with anti-reflective coating. Brown/Beige colored calfskin strap with a fine soft felt finish, fitted with a brushed finished steel pin style buckle. Supplied with an extra black rubber strap & the necessary tools to change the straps. Panerai in-house Caliber P.3001 has an approximate power reserve of 72 hours (3 days).