The Rolex Yacht-Master II 116681 is an automatic mechanical watch, featuring a 44 mm steel case with a gold and steel bracelet. This instrument is designed for regatta timing, its programmable countdown function is set via the Ring Command bezel. It suits marine environments and formal settings, a versatile piece for the discerning collector. Key details Brand: Rolex Type: Mechanical watch Movement: Automatic, Calibre 4161 Case Material: Steel Diameter: 44 mm Dial Colour: White Bracelet Material: Gold/Steel Water Resistance: 10 ATM Crystal: Sapphire