Calibre OP XII 27 jewels the black dial with tritium-coated Arabic 12 and hour markers minute divisions on the flange pierced luminescent hands three subdials for small seconds minute and hour counters in three-part case graduated rotatable bezel for the decompression times screw back engraved with Silvester Stallones autograph two screw-down chronograph pushers in the band trademark crown protecting bridge with lock lever Panerai "pre-V" buckle case dial and movement signed.