Citizen Promaster Sky Skyhawk A-T JY8144-50E 50th Anniversary Limited Edition | Solar-Powered, Radio-Controlled Aviation Chronograph with Sapphire Crystal (45.7 mm, 200 m)

Professional Description

The Citizen Promaster Sky Skyhawk A-T JY8144-50E is the ultimate expression of instrumental watchmaking applied to professional aviation. Created as an exclusive Limited Edition commemorating the 50th Anniversary of the Promaster collection (limited to 5,200 unnumbered pieces worldwide), this model reinterprets the iconic Skyhawk silhouette with an imposing 45.7 mm case finished in a sophisticated light gold-tone, seamlessly combining brushed surfaces with polished accents inspired by fine jewelry.

Powered by the sophisticated U680 Eco-Drive in-house caliber, this analog-digital chronograph is powered by any light source, eliminating the need for batteries and ensuring constant atomic-level accuracy thanks to its radio-controlled synchronization system across the major continents. It features a high-resolution multifunction display protected by sapphire crystal with an anti-reflective coating, a bidirectional rotating bezel with a flight slide rule, and outstanding water resistance of 200 meters (20 bar), establishing itself as a true flight computer ready for the cockpit or for the most exclusive collections.

Key Features

• 50th Anniversary Exclusive Run: Limited edition of 5,200 pieces worldwide. A highly sought-after collector’s item from the Promaster Air division among international collectors.
• Multi-Band Atomic Synchronization (Radio-Controlled): High-sensitivity radio signal reception to automatically synchronize the time and date with atomic reference clocks in North America, Europe, China, and Japan.
• U680 Eco-Drive Manufacture Caliber: Continuous solar-powered movement with a long-lasting power reserve, visual charge level indicator, and intelligent energy-saving system.
• Bezel with Aeronautical Slide Rule: Bidirectional rotating bezel designed to allow pilots to perform essential in-flight calculations: fuel consumption, airspeed, estimated flight time, and metric conversions (nautical miles, kilometers, etc.).
• Sapphire Crystal with Anti-Reflective Coating: Maximum structural resistance to scratches and impacts, with an inner coating that optimizes readability in direct sunlight or during high-altitude flight.
• Extreme Water Resistance to 200 Meters (20 ATM): Professional-grade water resistance unusual in aviation watches, suitable for intensive water sports and free diving.
• High-Resistance Light Gold-Tone Finish: Gold electroplating on surgical-grade stainless steel, offering visual distinction without compromising resistance to corrosion and wear.

Technical Specifications

Component / Function Technical Detail
Brand and Collection Citizen Promaster Sky (Skyhawk A-T Series)
Reference / Model JY8144-50E (50th Anniversary Limited Edition - 5,200 pieces)
Movement Radio-Controlled Eco-Drive Solar Quartz (Citizen Caliber U680)
Display Type Analog-Digital (Ana-Digi) with dual multifunction LCD display
Case Material Stainless steel with light gold-tone electroplated finish
Case Dimensions Diameter: 45.7 mm (46 mm) | Thickness: 13.8 mm
Crystal Sapphire with anti-reflective coating on the inside
Bracelet Gold-tone stainless steel, folding clasp with hidden pushers
Water Resistance 200 meters (20 ATM / 20 Bar)
Magnetic Properties Anti-magnetic construction
UPC Code 013205175299

Flight Functions and Technical Performance

• World Time and UTC: Coordinated time display for 43 cities worldwide, digital display synchronized with Coordinated Universal Time (UTC), and quick-switch function between local and secondary time (Dual Time).
• High-Precision Sports Timekeeping: Chronograph accurate to 1/100 of a second (up to 24 hours) and a 99-minute countdown timer.
• Multiple Alarm System: Two independent, programmable alarms with distinctive alarm tones.
• Integrated Perpetual Calendar: Automatic native configuration of the day of the week, date, and month, programmed to remain accurate until the year 2100 (including leap years).
• Tactical Visibility: Faceted hands and hour markers treated with high-brightness luminous paint (Luminous Paint), complemented by LED backlighting on the digital displays for clear readability in the cockpit or in the dark.