1970s Audemars Piguet Ultra Thin Automatic 18k Yellow Gold 5420 Brand_The Archiwatch this model carries the iconic

this model carries the iconic proportions of the Louis Tank

the watch combines mechanical ingenuity with striking visual originality

this model captures the spirit of 1970s haute horology and Patek Philippe's quiet confidence in design excellence

This example is NOS-New old stock

its minimalist round case and slender profile emphasizing purity of form over ornamentation

1970s Audemars Piguet Ultra Thin Automatic 18k Yellow Gold 5420 Brand_The Archiwatch this model carries the iconicA stunning 1970s Audemars Piguet Ultra Thin "Automatic" in 18k yellow gold. This example comes with a no lume gold brushed dial and matching thin hands. The watch is in superb condition, showing only light signs of wear or minor scratches, which are to be expected for a piece of its age. The Audemars Piguet Ultra Thin Automatic 18k Yellow Gold Reference 5420, produced in the 1970s, epitomizes the brand's commitment to elegance and mechanical