The Citizen Promaster Sky, reference E660-R010514, is a high-specification aviation timepiece designed for professionals and technology enthusiasts. As part of the renowned Promaster collection, this watch is powered by the sophisticated Caliber E660 Eco-Drive movement. It harnesses light to power the watch, eliminating the need for battery changes, and features Global Radio-Controlled Atomic Timekeeping, ensuring precise accuracy by receiving time signals in Japan, China, Europe, and the USA. The watch boasts a substantial 49mm stainless steel case with a scratch-resistant sapphire crystal, offering durability and clarity. The intricate blue dial resembles an aircraft cockpit instrument panel, displaying a wealth of information including a 1-second chronograph, perpetual calendar, alarm, day-date, and power reserve indicator. The tachymeter bezel adds to its sporty, functional aesthetic. With 20 Bar (200m) water resistance, it is built to withstand rigorous environments. This timepiece is in very good condition, graded AA, showing only minimal signs of wear consistent with careful handling. It is fitted with its original solid stainless steel bracelet, which is sized to fit a wrist circumference of approximately 19.5cm. A robust and intelligent companion for the modern adventurer. Please note: import duties and taxes are the buyer’s responsibility. The watch will be shipped promptly with tracking and insurance. Master the skies with the precision of Citizen Promaster. Keywords: Citizen Promaster, Eco-Drive, Radio Controlled, Blue Dial, Aviation Watch, E660, Sapphire Crystal, Chronograph, World Time. Details Brand: Citizen Model: Promaster Sky Eco-Drive Reference: E660-R010514 Material: Stainless Steel Colour: Silver / Blue Country of manufacture: Japan (Movement) / Cased in China Period: 2010-2020 Features: Eco-Drive Solar, Radio Controlled (Atomic Time), Perpetual Calendar, Chronograph, Alarm, Sapphire Crystal, 20 Bar WR Condition details Grade AA (Very good condition) Minor surface wear only. Clean interior and exterior. Beautifully preserved with no major defects. Sapphire crystal is flawless. Dial is in excellent condition. Case and bracelet show very light scuffs consistent with normal use. Bracelet fits a wrist up to approx. 19.5cm. Authentication & sourcing This item has been carefully inspected and sourced from certified luxury markets accessible only to licensed dealers. All products offered are 100% authentic. In the rare event of a counterfeit, a full refund will be issued. Shipping Secure worldwide shipping with tracking and insurance. Professional packaging ensures safe delivery. Please note: import duties and taxes are the buyer’s responsibility and are not included in the item price or shipping cost. Return Policy / Disclaimer Please review all photos carefully before placing your bid. The item description accurately reflects the current condition. Returns are not accepted unless the item is proven to be counterfeit. Any minor wear or signs of age are consistent with normal use for vintage and pre-owned items.