Audemars Piguet Royal Oak Stainless Steel Black Dial With Silver Sub-dials 41mm 
 

– Brushed finished stainless steel case & bracelet with polished beveled corners.
– Brushed finished hexagon design stainless steel bezel, secured with 8
– polished hex-head screws. Polished polished beveled corners.

Dial:
– Black main dial with the Grande Tapisserie design pattern
– Silvered sub-dials with a fine snailed (concentric circle pattern) finish.
– Polished white gold hands. Hour & minute baton hands with luminescent fill.
– Applied polished white gold index hour markers with luminescent fill.
– Dial flange on the dial perimeter with fine printed seconds & fraction of a seconds track.

– Date window located between the 4 & 5 o’clock position.
– Continuous running small seconds sub-dial located at the 6 o’clock position.

Chronograph function:
– Column-Wheel chronograph mechanism.
– Large central seconds counter hand.
– 30 minute sub-dial counter located at the 3 o’clock position.
– 12 hour sub-dial counter located at the 9 o’clock position.
– AP Caliber 2385, beats at 21,600 (3 Hz) vph, composed out of 304 parts, contains 37 Jewels & has an approximate power reserve of 40 hours.

Audemars Piguet 26331ST.OO.1220ST.02 DLC, AP 26331ST.OO.1220ST.02 DLC