Late 1990s Ref: OP 6528 Dial: textured black dial, luminous dot hour and Arabic hour markers, date aperture, sub-seconds, luminous ope baton hands, signed: Luminor Submersible Panerai Automatic Movement: 21 jewel automatic movement, Cal: 7750 P1, 42 hour power reserve (not examined) Case: Titanium case with screw down back, directional bezel, locking crown guard, signed: Officine Panerai Firenze 1860 Diver's Professional OP 6528 BB986848 B0273-1500 Titanium 300M, skin strap and Panerai buckle, with box and papers 53mm x 43mm x 11mm excluding crown 106 grams gross