Brushed finished black ceramic case & bracelet with polished beveled corners.
Brushed & polished black ceramic octagon shaped fixed bezel, secured by 8 polished hex-head screws.
Black dial with AP's signature Grande Tapisserie design pattern. 
Polished rose gold hands, the hour & minute baton hands with luminous fill.
Applied polished rose gold index hour markers with luminous fill.
Dial flange with fine printed seconds & fractions of a seconds track.
Date window between 4 & 5 o'clock.
Small seconds sub-dial at 6 o'clock.
Chronograph function:

Column wheel mechanism.
Flyback function, allows instant restarting of he stopwatch without stopping and resetting.
Central seconds counter hand.
30 minute counter sub-dial at 9 o'clock.
12 hour counter sub-dial at 3 o'clock.

Audemars Piguet in-house caliber 4401, beats at 28,800 vph (4Hz), contains 40 jewels & has an approximate power reserve of 70 hours.