• Reference: 136660
• Model case: Oyster, 44 mm, Oystersteel
• Waterproofing: Waterproof to 3,900 metres / 12,800 feet, helium escape valve
• Bezel: Unidirectional rotatable 60-minute graduated, scratch-resistant Cerachrom insert in black ceramic, numerals and graduations coated in platinum
• Dial: D-blue

• Strap: Oyster, three-piece solid links
• Movement: Perpetual, mechanical, self-winding
• Calibre: 3235, Manufacture Rolex
• Power reserve: Approximately 70 hours
• Certification: Superlative Chronometer (COSC Rolex certification after casing)