Audemars Piguet. A stainless steel automatic wristwatch with date and bracelet Signed Audemars Piguet, Automatic, Royal Oak, No. A 667, ref. 5402ST, movement no. 127’789, case no. 67’667, circa 1972 Movement: cal. 2121, automatic, 36 jewels, signed Dial: signed Case: back secured by eight screws, 39 mm. wide., signed With: stainless steel Audemars Piguet link bracelet and deployant clasp, overall length of approximately 180 mm. Audemars Piguet Extract from the Archives with register date 28 November1972 and specifying a change from movement 127'901 to movement 127'789. Audemars Piguet Watches of Switzerland valuation for insurance dated 15 February 2010.