Panerai, a limited edition large stainless steel cushion form two-Time Zone automatic wristwatch with date no HO172/2900 BB1140534 Ref Op 6633 Luminor Gmt Ocean Chronometer, circa 2000 automatic nickel lever movement, 21 jewels, black dial with luminous Arabic numerals and indexes, outer 24 hour graduation for the second time zone, aperture for date, luminous steel skeleton hands, eccentric seconds at 9, protective winding Crown and security lever, case, dial and movement signed, diameter 45 mm.