The Zenith Defy Extreme Diver Shadow, reference 97.9600.3620/21.I300, is a professional dive watch featuring a 42.5mm microblasted titanium case with a black ceramic unidirectional rotating bezel. The black and yellow matte dial showcases a starry sky pattern, with rhodium-plated, faceted hour markers and hands coated in SuperLuminova SLN C1 for enhanced legibility. Powered by the El Primero 3620 automatic movement, it offers a 60-hour power reserve and operates at a frequency of 36,000 vibrations per hour. Additional features include a date indication at 3 o'clock, a helium escape valve, and water resistance up to 600 meters. The watch is delivered with three interchangeable straps: a microblasted titanium bracelet, a black 'Cordura effect' rubber strap, and a black and yellow single-piece fabric strap, all easily swappable via Zenith's quick-change system.