ROYAL OAK SELFWINDING CHRONOGRAPH, 38 mm
Ref 26315ST.OO.1256ST.01
CASEStainless steel case, glareproofed sapphire crystal, screw-locked crown.
CASE SIZE38 mm
WATER RESISTANCE50 m
CASE THICKNESS11 mm
DIALSilver-toned dial with “Grande Tapisserie” pattern, blue counters, blue external zone, white gold applied hour-markers and hands with luminescent coating.
BRACELETStainless steel 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.
