Citizen Mod. Radiocontrolled Crono Pilot Steel Official Box Product Description: The Citizen CB5007-51H is a high-performance men's watch from the Promaster series, designed for aviation enthusiasts and professionals. It combines advanced Eco-Drive technology with radio-controlled timekeeping, ensuring precision and reliability. Key Features: Movement: Eco-Drive (solar-powered) with caliber E660; no battery replacement required.Case Material: Stainless steel with grey ion plating for enhanced durability.Case Diameter: 45.9mm.Case Thickness: 13.7mm.Band Material: Stainless steel bracelet with grey ion plating and deployment clasp.Dial Color: Black with luminous hands and markers for optimal readability.Crystal: Sapphire glass with anti-reflective coating.Water Resistance: 200 meters (suitable for professional marine activities and serious surface water sports).Functions:Radio-controlled timekeeping with automatic reception (compatible with multiple time signals worldwide).Perpetual calendar.World time function covering 24 cities.Chronograph measuring up to 60 minutes in 1-second increments.24-hour display.Day and date display.Alarm function.Power reserve indicator.Insufficient charge warning and overcharge prevention functions. This timepiece reflects Citizen's commitment to innovation and quality, offering a robust and feature-rich watch for the modern aviator. SpecificationValuePackagingOfficial Box