ROYAL OAK “JUMBO” EXTRA-THIN, 39 mm

CASETitanium case, glareproofed sapphire crystal and caseback, polished 950 platinum bezel and links.
CASE SIZE39 mm
WATER RESISTANCE50 m
CASE THICKNESS8.1 mm
DIALSmoked blue dial with “Petite Tapisserie” pattern, white gold applied hour-markers and Royal Oak hands with luminescent coating.
BRACELETTitanium bracelet with polished 950 platinum links and titanium AP folding clasp.
TOTAL DIAMETER28.4 mm (12½ Lignes)
FREQUENCY OF BALANCE WHEEL2.75 Hz (19,800 vph)
TYPE OF OSCILLATING WEIGHTSupport and weight segment in 21-carat gold
NUMBER OF JEWELS36
CALIBRESelfwinding Manufacture Calibre 2121
TYPE OF BALANCE-SPRING STUD-HOLDERMobile stud
POWER RESERVE40 hours
BASE MOVEMENT THICKNESS3.05 mm
BALANCE-SPRING TYPEWith Variable inertia blocks
DIRECTION OF AUTOMATIC WINDINGBidirectional
NUMBER OF PARTS247
FUNCTIONSHours, minutes, and date