SPHERE: Black sphere. Luminescent and rhodium-plated indexes.BOX: Diameter: 41 mm. Sealing: 100 meters. Body made of polished steel. Sapphire crystal with anti-reflective treatment on both sides. Sapphire caseback background.MOVEMENT: TAG Heuer Caliber 16, Swiss Made. Automatic caliber, fast calendar correction. Diameter: 30.4 mm (13 ¼ ´´) - 25 rubies. Steering wheel frequency: 28 800 vibrations / hour (4 Hz). Power reserve: 42 hours approx.STRAP: Satin and polished steel bracelet.