• Reference: 52509
• Model case: 39 mm, 18 ct white gold, polished finish
• Waterproofing: Waterproof to 50 metres / 165 feet
• Bezel: Domed and fluted
• Dial: Intense black

• Strap: Leather strap
• Movement: Perpetual, mechanical, self-winding
• Calibre: 7140, manufacture Rolex
• Power reserve: Approximately 70 hours
• Certification: Superlative Chronometer (COSC Rolex certification after casing)