Luminox F-117 Nighthawk 6420 Series Watch XA.6421 The Case: The 45mm case of this Luminox F-117 Nighthawk XA.6421 is crafted from PVD-plated gunmetal stainless steel. The distinctive angular bi-directional bezel provides this watch with its cutting-edge aesthetics. The bezel features superluminova hour markers for unparalleled night visibility. A bold crown guard protects an easy to grip screw down crown . Ultra scratch resistant sapphire crystal glass protects the watch, it has been treated to an anti-reflective coating to allow for optimum legibility. A screw down case back offers impermeability. The Dial: The clean layout of the black dial allows for easy readability. Bold white luminous numerals form a track around the edge of the dial. They come in the same stencilling as the letters in the cockpit, tying the watch back to its roots. A date window replaces the 3 o’clock marker. The handset has also features a superluminova coating to allow for maximum readability in the dark. A red hand is also present on the dial which allows a GMT time display.   The Luminox logo sits proudly beneath the 12 o’clock marker. The Strap: A black kevlar strap Is dynamic and functional, if features a leather inner lining to allow it to sit comfortably on the wrist. A standard buckle fastens the strap easily and securely. The Functions: Swiss quartz movement powers this timepiece, ensuring superlative accuracy. It has a water resistance of 200 metres, meaning that it can be used for scuba diving. If you have any questions please  click here Click here to join our  facebook  and  Instagram !