• Reference: 278278
• Model case: Oyster, 31 mm, yellow gold
• Waterproofing: Waterproof to 100 metres / 330 feet
• Bezel: Fluted
• Dial: Dark grey set with diamonds

• Strap: President, semi-circular three-piece links
• Movement: Perpetual, mechanical, self-winding
• Calibre: 2236, Manufacture Rolex
• Power reserve: Approximately 70 hours
• Certification: Superlative Chronometer (COSC Rolex certification after casing)