Polished 18kt king gold (rose gold) case & bezel. The bezel is secured by 6 H style titanium screws.
Factory set diamonds:

Case set with 166 diamonds
Bezel set with 164 diamonds

Black composite resin bezel base & case sides.
Skeleton dial.
The hour & minute hands with luminous filled tips.
Applied applique style index & numeral hour markers with luminous fill.
Black dial flange with minute/seconds track.
Date window at 4.30.
Small continuous running seconds sub-dial at 9 o'clock.
Chronograph/Stopwatch functions:

Column wheel chronograph.
Large central seconds counter hand.
30 minute counter sub-dial at 3 o'clock.
12 hour counter sub-dial at 3 o'clock.

Straps are easily interchangeable via the quick-release buttons, located on the top & bottom central lugs (this watch is delivered with a single strap only).
Hublot Caliber HUB 4700 (base Zenith El Primero), beats at 36,600 vph, contains 31 jewels & has a power reserve of +/- 50 hours.