Polished 18k white gold case.
Polished 18k white gold fixed bezel ring with engraved and black filled tachymeter scale.
Polished 18k white gold screw-down crown with Rolex's patented "Triplock" triple waterproofness system, ensuring that the crown screws down against the Oyster case as securely as a submarine hatch.
Screw-down chrono buttons in polished 18k white gold.
Black dial with diamonds.
Black sub-dials.
Applied polished white gold index hour markers with luminous fill.
Fine printed minute/seconds and fractions of a second track.
Polished white gold hands - hour and minute hands with black center line and partial luminous fill.
Chronograph/stop watch function:
Large central seconds counter hand, accurate up to 1/8th of a second.
30 minute counter sub-dial located at the 3 o'clock position.
12 hour counter sub-dial located at the 9 o'clock position.
Continuous running small seconds sub-dial located at the 6 o'clock position.
Rolex in-house calibre 4130, beats at 28,800 vph, contains 44 jewels and has an approximate power reserve of 72 running the time only or 66 hours with the chronograph function running.