AUDEMARS PIGUET REF. E91947 ROYAL OAK STEEL
Audemars Piguet, "Royal Oak, Automatic," case No. 9388, Ref. E91947. Made in the 1990s.
Fine and rare, octagonal, center seconds, self-winding, water-
resistant, stainless steel wristwatch with date and a stainless steel
Audemars Piguet integrated link bracelet with concealed deployant
clasp.
Two-body, polished and brushed, octagonal bezel set with 8
hexagonal nuts embanked in 8 screws on the case back, angled
lugs with 4 screws to fix the bracelet, sapphire crystal.
Midnight blue tapestry with applied luminous steel baton indexes,
outer minute track with 5-minute Arabic markers, aperture
for the date. Luminous steel baton hands.
Cal. 2121, rhodium-plated, fausses cotes decoration, 36 jewels,
straight-line lever escapement, Gyromax balance adjusted for heat,
cold isochronism and 5 positions, shock absorber, self-compensating
flat balance spring, 21K gold rotor.