45 mm titanium grade 5 case, 14.30 mm thick, titanium grade 5 back with glare proof sapphire crystal, sapphire crystal with anti-reflective treatment, red dial with hourly nautical pennants and minute-circle indexes transferred on the flange, caliber CO 277 automatic movement with hours, minutes, timing of the next two high and low tides, date, current strength and tidal process indicator, approximately 42 hours of power reserve, red vulcanized rubber strap. Water resistant to 300 m. (Old reference 277.101.04/F376 AR12).