Ref. 5402STA very rare, early and highly attractive stainless “A Series” wristwatch with copper “tropical dial”, bracelet, and service receipt Manufacturer: Audemars Piguet Year: 1972 Reference No: 5402ST Movement No: 128'318 Case No: No. A 137 Model Name: Royal Oak “A Series” Material: Stainless steel Calibre: Automatic, cal. 2121, 36 jewels Bracelet/Strap: Stainless steel Audemars Piguet bracelet, max overall length 200mm Clasp/Buckle: Later replacement stainless steel Audemars Piguet deployant clasp Dimensions: 39mm Diameter Signed: Case, dial, movement and clasp signed Accessories: Accompanied by an Audemars Piguet service receipt dated June 24, 2021, and black leather Audemars Piguet service box. The New York Audemars Piguet boutique confirmed the sale of this watch on January 14, 1972. , Swiss • 1881
