Audemars Piguet 26574BA.OO.1220BA.01
The Royal Oak Perpetual Calendar combines yellow gold with the most classic complication in all of watchmaking. Day, date, month, astronomical moon, with the week of the year displayed on the dial’s outer chapter ring and the essential leap year indication hold pride of place on the “Grande Tapisserie” decorated dial.
Product Description
CASE:18-carat yellow gold case, glareproofed sapphire crystal and caseback, screw-locked crown, water-resistant to 20 m.
CASE WIDTH:41.00 mm
WATER RESISTANCE:20 m
CASE THICKNESS:9.50 mm
DIAL:Blue dial with “Grande Tapisserie” pattern, yellow gold applied hour-markers and Royal Oak hands with luminescent coating, blue inner bezel.
BRACELET:18-carat yellow gold bracelet with AP folding clasp.
TOTAL DIAMETER: 29.00 mm
FREQUENCY OF BALANCE WHEEL: 2.75 Hz (19,800 vibrations/hour)
NUMBER OF JEWELS: 38
CALIBRE: Manufacture 5134
TYPE OF BALANCE-SPRING STUD-HOLDER: Mobile stud-holder
POWER RESERVE: 40 h
BALANCE-SPRING TYPE: Balance with variable inertia blocks
NUMBER OF PARTS: 374
FUNCTIONS: Perpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes
