43031, First Series Quantième Perpétuel, Yellow Gold Tritium offering 72 hours of power

offering 72 hours of power reserve along with immaculate Lange finishing and exposed barrels

and automatic calibre 330 SC

one of the most subtle configurations of the foundational Lange 1 line present at the A

a chronograph made in celebration of Patek Philippe's 175th Anniversary

only examples prior to ~2003 were made with tritium hands and dials

43031, First Series Quantième Perpétuel, Yellow Gold Tritium offering 72 hours of powerA First Series ref. 43031 Quantime Perptuel in 18k yellow gold with a light cream dial. The 43031 is a distinguished neo vintage reference, Vacheron Constantins first serious return in the wake of the quartz crisis. It features an automatic calibre 1120 2 QP, a JLC 920 bauche finished to Geneva Seal standard with a beryllium rotor rail, lapis moonphase disc, dial signed with sigmas but no automatic line, solid back, and impressive 8mm thinness to its