Panerai has announced a pair of new timepieces set for release this fall, each a limited edition. One is available exclusively via Panerai’s e-commerce platform; the other introduces a new composite material in its dial. Read on for details about the Submersible Azzurro – 42 MM and Luminor Luna Rossa GMT – 42 MM.

The “Azzurro” in the Panerai Submersible Azzuro – 42 MM refers to its most riveting element, the matte blue ceramic ring, with graduated dive scale, which is fitted into the unidirectional ratcheting bezel (“Azzurro” is Italian for “light blue”). The cushion-shaped case is made of AISI 316L steel with a satin-brushed finish and measures 42 mm in diameter. Its 300-meter water resistance is ensured by the familiar (and trademarked) locking crown protector device on the right side of the case as well as by the screw-down steel caseback. Continuing the “Azzurro” theme ? evoking both the ocean depths this watch calls home, as well as the unofficial color of unified Italy, according to Florence-founded Panerai ? the lume on the hands and indices of the the matte black dial glows in a bright green-blue. Powering the watch is the automatic manufacture Caliber P.900, with 23 jewels, a 28,800-vph frequency, and a power reserve of three days in a single barrel. The watch comes on a black rubber strap with a brushed steel trapezoidal buckle, with an additional strap in Sportech black velcro. Limited...