From the famous Royal Oak Offshore collection with the immediately recognizable hexagon design bezel secured by 8 screws.
Chronograph function:
Large central seconds.
30 minute counter at the 9 o'clock position.
12 hour counter at the 6 o'clock position.
AP caliber 2326/2840 beats at 28,800 vph & contains 50 jewels & has an approximate Power Reserve of 40 hours.
Water resistant to 100 meters / 330 feet