The HYDROCONQUEST collection blends modern aesthetics with proven performance. Powered by an exclusive LONGINES automatic calibre, water-resistant up to 30 bar (300 m), with unidirectional bezel, screw-in crown and screw-down case back. CASE Shape: Round Material: Stainless steel and ceramic bezel Glass: Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides Case Back: Screw-down case back Dimension: Ø 39.00 mm Lug distance: 21 mm Thickness: 11.70 mm Water Resistance: Water-resistant to 30 bar Case Specificities: Screw-in crown, Unidirectional rotating bezel Weight: 168.0 g DIAL & HANDS Dial color: Black lacquered polished Hour markers: Applied indexes Hands: Silvered polished hands Specificities: Swiss Super-LumiNova® MOVEMENT & FUNCTIONS Movement Type: Automatic Functions: Hours, minutes, seconds and date Caliber: L888 Movement Description: Self-winding mechanical movement beating at 25'200 vibrations per hour, with a monocrystalline silicon balance-spring power reserve up to 72 hours STRAP Bracelet/Strap: Bracelet Material: Stainless steel Buckle: With triple safety folding clasp and push-piece opening mechanism REF: L3.788.4.90.6