Panerai SUBMERSIBLE BMG-TECH ─ 44mm Submersible Series Metallic Glass Watch is equipped with an original imported 2555 fully automatic mechanical movement made of Panerai's new material BMG-TECH, which has ultra-high toughness and scratch resistance. Performance. In addition, the bezel is made of Carbotech material. This material has an irregular matte black appearance. Different cutting methods give different appearances. Each watch is unique. The black dial follows the The characteristics of the previous LUMINOR series, the round scales and hollow hands are highly recognizable, and are covered with Super-LumiNova super luminous coating to ensure that time information can be read clearly in dark environments. A date is set at 3 o'clock. The display window has a gold case with a small seconds dial at 9 o'clock and a black case pattern.