The Patek Philippe Sky Moon Celestial Grand Complication (ref. 5102PR-001) is a men's dress watch with a 43.1 mm round case in yellow gold. It has a blue dial under sapphire crystal.
It is powered by the self-winding mechanical calibre 240 LU CL with a power reserve of 48 hours. Features: Astronomical dial, sky chart, micro-rotor, transparent caseback, engraved case. Water-resistant to 30 m. The watch is fitted with an alligator leather strap with a folding clasp in yellow gold.
