Founded in 1832 in Saint-Imier, the famous Swiss watch brand Longines can boast a long tradition characterised by the elegance and performance of its products. Those values are perfectly represented by The Longines Sport Collection. The HydroConquest line is dedicated to men and women looking for a high performance timepiece that combines technical innovation and elegance. Available with Black or Blue Dial Case material: Stainless steel and ceramic bezel Case Size: 41 mm Glass: Scratch-resistant sapphire crystal with several layers of anti-reflective coating on both sides Strap material: Stainless steel and yellow PVD coating Caliber: L888 Movement: Automatic Movement Description: Self-winding mechanical movement beating at 25'200 vibrations per hour, with a power reserve up to 72 hours Functions: Hours, minutes, seconds and date Style#: L37813567 (Sunray Black), L37813967 (Sunray Blue)