Automatic Diver Watch 300M Water ResistanceGet ready to take the plunge with the ADDIESDIVE MY H5 Tuna Automatic Diver, a watch built for extreme underwater reliability and style. With its rugged tuna style case and professional 300M water resistance, you can dive deeper and longer without worrying about your timepiece. Powered by the dependable Seiko NH35 automatic movement, this watch delivers smooth mechanical performance with a 41 hour reserve, stop second function, and proven durability.