ROYAL OAK PERPETUAL CALENDAR, 41 mm

Ref 26574BA.OO.1220BA.01

PRODUCT DETAILS

CASE

18-carat yellow gold case, glareproofed sapphire crystal and caseback, screw-locked crown, water-resistant to 20 m.


CASE SIZE

41 mm


WATER RESISTANCE

20 m


CASE THICKNESS

9.5 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 mm (12¾ Lignes)


FREQUENCY OF BALANCE WHEEL

2.75 Hz (19,800 vph)


NUMBER OF JEWELS

38


CALIBRE

Manufacture Calibre 5134


TYPE OF BALANCE-SPRING STUD-HOLDER

Mobile stud-holder.


POWER RESERVE

40 hours


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.