HYDROCONQUEST GMT 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 41.00 mm Lug distance: 21 mm Lug-to-lug: 49.40 mm Thickness: 12.90 mm Water Resistance: Water-resistant to 30 bar Case Specificities: Screw-in crown, Unidirectional rotating bezel Weight: 180.5 g Dial & Hands: Dial color: Sunray black Hour markers: Applied indexes Hands: Silvered polished hands Specificities: Swiss Super-LumiNova®. Movement & Functions: Movement Type: Automatic Functions: Hours, minutes, seconds and date. 24 hours hand with time zone mechanism Caliber: L844 Movement Description: Self-winding mechanical movement beating at 25'200 vibrations per hour, with a power reserve up to 72 hours Strap: Material: Stainless steel Buckle: With double security folding clasp with micro adjustment system General: Magnetic resistant: Yes