The Patek Philippe 5055G pairs a round white-gold case with small seconds, pointer date, moon phase and power-reserve displays. Its automatic Calibre 240/164 (240 PS IRM C LU) features a 22-karat gold micro-rotor, 29 jewels, Geneva Seal, 21,600 vibrations per hour and roughly 48 hours of reserve, sharing its movement lineage with the Nautilus 5712.
Daily Digest
The Day in Watchmaking
1 stories selected from the day’s reporting. Owner review: Patek Philippe Power Reserve Moon Phase Reference 5055G.