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Brand: Audemars Piguet
Model: Royal Oak 5402SA Gray dial steel / 18KT gold 1981's
Reference: 5402SA
Standard case: B29XXX
Year of production: 1981
Case / Dimensions: steel and 18KT yellow gold / 39 mm excluding the winding crown
Case thickness: 8 mm including sapphire crystal
Case back: steel screw closure
Water resistance: 50 mt / 5 atm
Bezel: octagonal in 18KT yellow gold
Crystal: Sapphire
Dial: Small gray tapisserie with date logo AP at 12:00
Movement: mechanical with automatic winding caliber AP 2121 - 33
Bracelet: Steel and 18KT yellow gold with double Audemars Piguet folding clasp
Box: Audemars Piguet service
Audemars Guarantee: Official Extrait of the Audemars Piguet Archives - October 2017