Patek Philippe

Geneva, Switzerland. Founded 1839. Independent (Stern family).

Geneva manufacture founded in 1839 and family-owned since 1932, known for complicated watches and the Nautilus, Aquanaut and Calatrava lines.

Model digits, optional /variant, metal letter (A steel, G white gold, J yellow gold, R rose gold, P platinum, T titanium), optional -dial code, e.g. 5711/1A-010.