Special Edition Lunar Pilot Chronograph from the Archive Series. Six-hand chronograph movement features proprietary high-performance quartz technology with 262 kHz vibrational frequency for precise accuracy. This new edition is complete with polished stainless steel case, black dial with white accents, anti-reflective curved sapphire crystal, black polyester NATO strap with three-piece buckle closure, and water resistance to 50 meters. Diameter: 45mm Thickness: 13. 5mm