Automatic - winding mechanical movement beating at 252000 vibrations per hour. Movement supports power reserve up to 72 hours. Stainless steel bracelet case and bezel. Blue sunray dial with Arabic numerals and indexes. Swiss Super-LumiNova hands and accents. Day of the month calendar at the 3 position. Unidirectional rotating bezel. Sapphire crystal scratch resistant dial window. Screwdown caseback. Screw-in crown. Double safety folding closure. Lug-to-lug: 51.1mm. Lug width: 21mm. Case thickness: 11.9mm. Case size: 41mm. Water resistant to 30 M.