Back to the reef

Meet the Great Barrier Reef Limited Edition IV, a 2,000-piece limited-edition based on the Aquis Date and inspired by the pioneering work of Reef Restoration Foundation. Behind its beautiful gradient blue dial is our Calibre 400 five-day automatic.

Five days of power

Inside the Great Barrier Reef Limited Edition IV’s 43.50 mm stainless steel case is our Calibre 400, a high-performance five-day automatic with elevated levels of anti-magnetism, a 10-year warranty and 10-year recommended service intervals.