This is a Rolex Yacht-Master 40 watch, reference 126658.
• Case/Material: 18ct Yellow Gold on an Oysterflex bracelet
• Bezel: Black Cerachrom ceramic diving bezel
• Dial: Black dial with luminous hour markers
• Movement: Calibre 3235 (70-hour power reserve)
• Water Resistance: 100m / 330ft
