Audemars Piguet Royal Oak Selfwinding Chronograph with a green "Grande Tapisserie" dial, most likely the khaki green version Stainless steel with an octagonal bezel
Dial: Khaki green with a "Grande Tapisserie" pattern and matching green counters for the chronograph function
Movement: Self-winding Calibre 4401 or similar, which includes a flyback chronograph function, hours, minutes, small seconds, and date display