You like to live life dangerously 30m depth - Patek Philippe 4947 - Steel. Diameter: 38 mm. Height: 11 mm. Water-resistant to 30 m. Sapphire crystal case back.
FOR DIVERS Full dive computer capabilities with the Oceanic+ app.8 Senses depth to 40 meters along with water temperature. Certified EN13319. Risky proposition.