Royal Oak, Reference 5402ST | A stainless steel wristwatch with date and bracelet | Circa 1977 Audemars Piguet Royal Oak, Reference 5402ST A stainless steel wristwatch with date and bracelet Circa 1977 Dial: black Calibre: cal. 2121C automatic, 36 jewels Movement number: 171'829 Case: stainless steel, case back secured by 8 screws Case number: C1'430, B3'430 Closure: Audemars Piguet stainless steel bracelet and folding clasp Size: 36 mm diameter, bracelet circumference approximately 195 mm Signed: case, dial and movement Box: yes Papers: no Accessories: Audemars Piguet copy of digital Extract from the Archives, factory box, service invoice, winding case, travel case and setting pin
