The Rolex Yacht-Master II is a high-performance regatta chronograph designed for competitive sailing, featuring a distinctive bidirectional rotating bezel with countdown function and a robust Oyster Perpetual case. This model showcases a crisp white dial with bold black numerals, blue and red accents (including the iconic red 'Regatta' hand), and a central chronograph seconds hand with triangular counterweight. The 44mm stainless steel case houses Calibre 4161, a self-winding mechanical movement with a 72-hour power reserve, certified as a Superlative Chronometer. The Cerachrom bezel insert in black ceramic ensures legibility and scratch resistance, while the Oyster bracelet with Glidelock extension system offers precise fit adjustment without tools. Water-resistant to 100 meters, it combines professional functionality with luxury aesthetics—ideal for yachting enthusiasts and collectors seeking precision engineering and timeless design. The watch is presented new with protective plastic film still intact, emphasizing its pristine condition and premium craftsmanship.