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| From left to right - Seiko Astron SSH187, SSJ039, SBXY105, and SBXY107 - pictured against a swirly galaxy background. |
Inspired by a spiral galaxy and powered by satellite signals, the four new limited-edition Seiko Astron models are more than timekeepers — they're portable pieces of the cosmos.
Imagine wearing the swirling energy of a distant galaxy on your wrist. Seiko has transformed this celestial fantasy into reality with the launch of its new Astron Starry Sky limited edition collection. This series introduces four distinct models, split evenly between advanced GPS Solar and reliable radio-controlled Solar technology, all unified by a breathtaking galactic theme. Representing a significant aesthetic evolution for the high-tech Astron line, these watches pair a lightweight, black-coated titanium exterior with a dial that mimics the glittering spiral of a starry sky. For those captivated by the design, a first look at these models can be seen in images shared by the reliable source @plus9time on Instagram.
As of their reveal, no official pricing or detailed regional release timelines have been announced. However, industry reports for similar models suggest the GPS versions may carry a premium, with estimates around €3,000 for the chronograph and €2,500 for the time-only model. These limited editions are a direct nod to the collection's namesake, proving that the "Astron" is looking to the stars for inspiration once again.
A Design Forged in the Stars
The soul of this new collection lies in its dial. Seiko has developed a new embossed spiral pattern that radiates outward from the center, creating a sense of dynamic, swirling energy. The background is a deep, dark turquoise tone infused with a subtle glitter effect, meticulously crafted to evoke the image of countless stars sparkling against the infinite black of space.
"These new dials effectively soften the typically harsh and technical look of the Astrons," notes one watch publication. "They give the two models a little more style and flair".
This cosmic aesthetic is framed by a uniformly jet-black exterior. The cases and integrated bracelets are crafted from titanium, making them exceptionally light and comfortable for daily wear. A scratch-resistant, super-hard coating is applied to every surface to maintain this menacing, monolithic appearance indefinitely. The result is a watch that feels both futuristic and deeply connected to the natural wonder of the night sky.
Meet the Models: GPS Precision vs. Radio Reliability
The collection is thoughtfully divided into two technological families, each with two size and complication options. The clear differentiator is how they achieve their renowned accuracy.
The GPS Solar Duo: For the Global Traveler
The SSH187 and SSJ039 represent the pinnacle of Seiko's autonomous timekeeping. The larger SSH187 is a feature-packed chronograph, equipped with the Caliber 5X83. It offers a dual-time display, a perpetual calendar accurate until 2100, and can connect to GPS satellites to automatically adjust to the local time anywhere on Earth. The SSJ039 presents a cleaner, more focused layout with its Caliber 3X62, featuring a power reserve indicator and the same core perpetual calendar and GPS correction functions in a slightly more compact case. Each is limited to 1,500 pieces globally.
The Radio-Controlled Pair: Elegant Simplicity
For those whose travels are more regional, the radio-controlled SBXY105 and SBXY107 offer exceptional convenience. These models automatically sync with transmission towers in several countries (like Japan, the US, and Germany) to maintain absolute accuracy. The SBXY105 includes practical world-time functionality, while the SBXY107 is the most compact and straightforward model in the collection. With only 700 units of each being produced, they are the rarest of the four new releases.
The Technology Behind the Beauty
Beneath the starry dial lies the true genius of the Astron line. The GPS Solar calibers, like the 5X83 and 3X62, are engineering marvels. They house a tiny, integrated antenna that can receive signals from GPS satellites orbiting the Earth. With the press of a button, the watch can determine its location and automatically adjust the time and time zone, even accounting for daylight saving rules. They are powered solely by light, boasting a power reserve of approximately six months when fully charged.
The technology is designed for real-world use. A "Super Smart Sensor" can intelligently initiate reception up to twice a day, often triggered by exposure to sunlight as the wearer goes outside. For air travel, an "in-flight mode" temporarily disables signal reception to comply with airline regulations. This seamless marriage of space-age technology and practical utility is what has defined the Astron since the first GPS Solar model launched in 2012.
Final Thoughts on a Cosmic Release
Seiko's new Astron Starry Sky collection is a triumphant fusion of theme and function. By adorning its most technologically advanced watches with a galactic dial, Seiko has created a powerful narrative: the same cosmic realm that inspires awe is also the source of the signals that grant these watches their incredible precision. The collection offers a choice between global GPS autonomy and reliable radio control, between the complex layout of a chronograph and the clean elegance of a time-and-date model.
With their limited production runs—1,500 pieces for the GPS models and just 700 for the radio-controlled versions—these timepieces are destined to become sought-after collectibles. They are a compelling proposition for the modern enthusiast who values cutting-edge technology but craves a design with soul, poetry, and a direct connection to the universe above.
For those interested in other elegant Seiko designs, you can explore options like the classic Seiko Presage Cocktail Time, available for purchase on Amazon.