From Longines, the Unisex Hydroconquest Automatic Stainless Steel Bracelet Watch features: Stainless steel Ceramic bezel Sunray black dial Silver polished hands Double safety folding clasp and integrated diving extension Applied Arabic numerals and indexes Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides Automatic movement Self-winding mechanical movement beating at 25,200 vibrations per hour, with a power reserve of approx. 72 hours Screw-in crown, unidirectional rotating bezel Screw-down case back Swiss Super-LumiNova Case size approx. 39mm Water-resistant up to 30 bar Swiss made Imported.