The case, a stainless steel monoblock, measures 51.4mm x 28.5mm. It has a 14.3mm sapphire crystal and is water resistant to 12,000 meters. The caseback is titanium. The bezel is ceramic (Cerachom) and the numerals are platinum PVD.
Movement is the Swiss automatic Rolex in-house caliber 3135. It is COSC-certified as a chronometer.
Thanks for the info Jorge and TZ.