ROYAL OAK SELFWINDING CHRONOGRAPH, 38 mm

CASE18-carat pink gold case, glareproofed sapphire crystal, screw-locked crown.
CASE SIZE38 mm
WATER RESISTANCE50 m
CASE THICKNESS11 mm
DIALSilver-toned dial with “Grande Tapisserie” pattern, pink gold-toned counters, pink gold-toned external zone, pink gold applied hour-markers and hands with luminescent coating.
BRACELET18-carat pink gold bracelet with AP folding clasp.
TOTAL DIAMETER26.2 mm (11½ Lignes)
FREQUENCY OF BALANCE WHEEL3.00 Hz (21,600 vph)
TYPE OF OSCILLATING WEIGHTMonobloc in 18-carat gold
NUMBER OF JEWELS37
CALIBRESelfwinding Calibre 2385
TYPE OF BALANCE-SPRING STUD-HOLDERMobile stud
POWER RESERVE40 hours
BALANCE-SPRING TYPEAnnular
DIRECTION OF AUTOMATIC WINDINGUnidirectional (see recommendations underneath)
NUMBER OF PARTS304
FUNCTIONSChronograph, hours, minutes, small seconds and date.