



From the
Collection
Commemorating 145 Years of Innovation
Celebrate a monumental milestone in technological watchmaking with the Seiko Astron SSH186 (SSH186J1). Released in 2026 to honor the 145th anniversary of Seiko's founding by Kintaro Hattori, this elite high-tech powerhouse is limited to just 1,450 pieces worldwide. The design features a bold black and golden color motif that captures the mystical phenomenon of a solar eclipse, symbolizing success, prosperity, and light shining from the edges of darkness.
The deep black dial features a highly textured pattern inspired by the surface of the moon, beautifully contrasting against faceted gold-tone hands and applied hour markers. Framing the dial is a sleek black titanium bezel inlaid with a subtle, gold-colored sapphire crystal insert that adds luxurious depth. As a meticulous tribute, the markings for 1, 4, and 5 on the golden UTC dial ring are specially highlighted to honor the 145th anniversary.
Next-Generation 5X83 GPS Solar Movement
Engineered for the elite global traveler, the SSH186 is driven by Seiko’s caliber 5X83 movement—the absolute peak of GPS solar precision. By connecting automatically to satellite networks, the watch delivers absolute precision anywhere on Earth at the touch of a button, all while drawing energy exclusively from light to eliminate battery changes entirely. This movement powers an advanced 1/20-second chronograph spanning four vertically arranged sports subdials, a dual-time display with an AM/PM indicator, a perpetual calendar accurate to the year 2100, and a seamless time transfer function that swaps your main and home time zones with a dual-button press.
Crafted from lightweight, nickel-allergy-resistant titanium with a black super-hard coating, the 44.1mm case is shielded by a dual-curved sapphire crystal featuring a reflection-shattering "Super-Clear" coating. Complete with a screwdown caseback engraved with its limited-edition serial number and a matching black titanium bracelet utilizing a Smart Adjuster clasp for tool-free micro-adjustments, this timepiece defines modern horological utility.
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Brand: Seiko
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Collection: Astron GPS Solar
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Model Number: SSH186 (SSH186J1)
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Availability: Limited Edition of 1,450 Pieces Worldwide
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Movement: Caliber 5X83 High-Speed GPS Solar Chronograph
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Power Reserve: Approx. 6 Months (2 Years in Power Save Mode)
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Case Material: Titanium with Black Super-Hard Coating & Gold-Tone Sapphire Bezel Insert
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Dial Details: Textured Moon-Pattern Black Dial with Gold Accents & LumiBrite
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Crystal: Dual-Curved Sapphire Crystal with Super-Clear Anti-Reflective Coating
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Case Dimensions: 44.1mm Diameter / 14.4mm Thickness / 50.0mm Lug-to-Lug
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Bracelet: Black Titanium Link Band with Push-Button Clasp & Smart Adjuster
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Water Resistance: 10 bar (100 Meters / 330 Feet)
Commemorating 145 Years of Innovation
Celebrate a monumental milestone in technological watchmaking with the Seiko Astron SSH186 (SSH186J1). Released in 2026 to honor the 145th anniversary of Seiko's founding by Kintaro Hattori, this elite high-tech powerhouse is limited to just 1,450 pieces worldwide. The design features a bold black and golden color motif that captures the mystical phenomenon of a solar eclipse, symbolizing success, prosperity, and light shining from the edges of darkness.
The deep black dial features a highly textured pattern inspired by the surface of the moon, beautifully contrasting against faceted gold-tone hands and applied hour markers. Framing the dial is a sleek black titanium bezel inlaid with a subtle, gold-colored sapphire crystal insert that adds luxurious depth. As a meticulous tribute, the markings for 1, 4, and 5 on the golden UTC dial ring are specially highlighted to honor the 145th anniversary.
Next-Generation 5X83 GPS Solar Movement
Engineered for the elite global traveler, the SSH186 is driven by Seiko’s caliber 5X83 movement—the absolute peak of GPS solar precision. By connecting automatically to satellite networks, the watch delivers absolute precision anywhere on Earth at the touch of a button, all while drawing energy exclusively from light to eliminate battery changes entirely. This movement powers an advanced 1/20-second chronograph spanning four vertically arranged sports subdials, a dual-time display with an AM/PM indicator, a perpetual calendar accurate to the year 2100, and a seamless time transfer function that swaps your main and home time zones with a dual-button press.
Crafted from lightweight, nickel-allergy-resistant titanium with a black super-hard coating, the 44.1mm case is shielded by a dual-curved sapphire crystal featuring a reflection-shattering "Super-Clear" coating. Complete with a screwdown caseback engraved with its limited-edition serial number and a matching black titanium bracelet utilizing a Smart Adjuster clasp for tool-free micro-adjustments, this timepiece defines modern horological utility.
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Brand: Seiko
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Collection: Astron GPS Solar
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Model Number: SSH186 (SSH186J1)
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Availability: Limited Edition of 1,450 Pieces Worldwide
-
Movement: Caliber 5X83 High-Speed GPS Solar Chronograph
-
Power Reserve: Approx. 6 Months (2 Years in Power Save Mode)
-
Case Material: Titanium with Black Super-Hard Coating & Gold-Tone Sapphire Bezel Insert
-
Dial Details: Textured Moon-Pattern Black Dial with Gold Accents & LumiBrite
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Crystal: Dual-Curved Sapphire Crystal with Super-Clear Anti-Reflective Coating
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Case Dimensions: 44.1mm Diameter / 14.4mm Thickness / 50.0mm Lug-to-Lug
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Bracelet: Black Titanium Link Band with Push-Button Clasp & Smart Adjuster
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Water Resistance: 10 bar (100 Meters / 330 Feet)
Every new Seiko purchased at Skeie's is backed by their 3-year warranty
Compliments of Skeie's Jewelers
our signature gift wrap
THE SKEIES EXPERIENCE
Frequently Asked Questions
We take all jewelry and watches in for review and estimation before beginning any work; the review is complimentary and we will always approve estimates with you before we begin any work.
We cannot give price estimates over the phone or online, as every piece can var
We have a team of expert goldsmiths and jewelers on site, and can work on a large range of repair needs.
Common repairs include ring sizing, polishing, rhodium plating, adjusting chain length, replacing clasps, re-stringing services, and more.
There is no appointment necessary to drop off your items for review and estimates.
Since we're located in Eugene, Oregon, we do NOT charge sales tax. The prices you see are the prices you pay!
We offer free shipping on all orders over $500. Our standard shipping is 2-7 days; all items are fully insured and require a signature upon delivery.
Articles are accepted for credit or exchange in the U.S. if returned in salable condition within 30 days, accompanied by a sales receipt. Some exclusions may apply.