ROYAL OAK PERPETUAL CALENDAR, 41 mm

CASEStainless steel case, glareproofed sapphire crystal and caseback, screw-locked crown.
CASE SIZE41 mm
WATER RESISTANCE20 m
CASE THICKNESS9.5 mm
DIALBlue dial with “Grande Tapisserie” pattern, white gold applied hourmarkers and Royal Oak hands with luminescent coating, blue inner bezel.
BRACELETStainless steel bracelet with AP folding clasp.
TOTAL DIAMETER29 mm (12¾ Lignes)
FREQUENCY OF BALANCE WHEEL2.75 Hz (19,800 vph)
NUMBER OF JEWELS38
CALIBREManufacture Calibre 5134
TYPE OF BALANCE-SPRING STUD-HOLDERMobile stud-holder.
POWER RESERVE40 hours
BALANCE-SPRING TYPEBalance with variable inertia blocks.
NUMBER OF PARTS374
FUNCTIONSPerpetual calendar with week indication, day, date, astronomical moon, month, leap year, hours and minutes.