- Reference: 278240
- Model case: Oyster, 31 mm, Oystersteel
- Waterproofing: Waterproof to 100 metres / 330 feet
- Bezel: Domed
- Dial: Bright blue
- Strap: Jubilee, five-piece links
- Movement: Perpetual, mechanical, self-winding
- Calibre: 2236, Manufacture Rolex
- Power reserve: Approximately 70 hours
- Certification: Superlative Chronometer (COSC Rolex certification after casing)
