The Pioneer Spirit Lives On Historically, Longines has accompanied legendary pioneers as they conquer air, land and sea. Today, the winged hourglass brand has drawn inspiration from this heritage to create Longines Spirit, a collection with an impeccable pedigree. 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: Transparent case back with sapphire crystal Dimension: 42.00 mm Lug distance: 22 mm Lug-to-lug: 49.50 mm Thickness: 17.00 mm Water Resistance: Water-resistant to 10 bar Case Specificities: Bi-directional rotating bezel, Screw-in crown Weight: 178.3 g Dial color: Sunray blue Hour markers: Applied Arabic numerals Hands: PVD Bronze color hands Specificities: Swiss Super-LumiNova Movement Type: Automatic Functions: Hours, minutes, small seconds at 9 o'clock Caliber: L791 Movement Description: Self winding mechanical movement beating at 28'800 vibrations per hour, with a monocrystalline silicon balance-spring power reserve up to 68 hours Chronograph: Flyback Chronograph Functions: Chronograph mechanism: central 60 seconds hand and 30 minutes counter at 3 o'clock Strap: Stainless steel Buckle: With double safety folding clasp and push-piece opening mechanism Interchangeability: Easily change your bracelet/strap thanks to the Longines interchangeable system Magnetic resistant: Yes Chronometer Officially Certified: Yes Longines Style #:L38214936.