The Elegance of Performance Without sacrificing elegance, the Conquest line perpetuates the spirit of conquest of all those who have dared to go further than others in their quest for new horizons. The same spirit has been behind the models in the Conquest collection since 1954. Each watch contains a subtle fusion of performance and elegance, including the most demanding technical features. 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 and transparent with sapphire crystal case back Dimension: 42.00 mm Lug distance: 22 mm Lug-to-lug: 50.20 mm Thickness: 14.30 mm Water Resistance: Water-resistant to 10 bar Case Specificities: Screw-in crown Weight: 143.1 g Dial color: Sunraywith black counters Hour markers: Applied indexes Hands: Silvered polished hands Specificities: Swiss Super-LumiNova Movement Type: Automatic Functions: Hours, minutes, small seconds at 3 o'clock Caliber: L898 Movement Description:Self-winding mechanical movement beating at 28'800 vibrations per hour, with a power reserve up to 59 hours Chronograph: Yes Chronograph Functions: Chronograph mechanism: central 60 seconds hand, 12 hours counter at 6 o'clock and 30 minutes counter at 9 o'clock Strap Material: Rubber strap Color: Black Buckle: With double security folding clasp with micro adjustment system Magnetic resistant: Yes Longines Style #:L38354329.