Seiko / Seiko Astron GPS Solar Watches | Skeie's Jewelers / Seiko Astron 145th Anniversary "Solar Eclipse" Limited Edition- Ref. SSH186
A limited edition Seiko Astron SSH186 GPS Solar Chronograph watch, showcasing its 44.1mm black titanium case, a gold-accented sapphire bezel, a textured black dial with four vertically arranged subdials, gold hands, and a matching black titanium bracelet
Seiko Astron watch with black and gold design on a white background
Black and gold Seiko Astron watch on a white background angled close up
back of Black and gold Seiko GPS Solar watch on a white background
A limited edition Seiko Astron SSH186 GPS Solar Chronograph watch, showcasing its 44.1mm black titanium case, a gold-accented sapphire bezel, a textured black dial with four vertically arranged subdials, gold hands, and a matching black titanium bracelet
Seiko Astron watch with black and gold design on a white background
Black and gold Seiko Astron watch on a white background angled close up
back of Black and gold Seiko GPS Solar watch on a white background

Seiko Astron 145th Anniversary "Solar Eclipse" Limited Edition- Ref. SSH186

$3,300.00 Sale OFF
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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.

  • Brand: Seiko

  • Collection: Astron GPS Solar

  • Model Number: SSH186 (SSH186J1)

  • 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

  • Crystal: Dual-Curved Sapphire Crystal with Super-Clear Anti-Reflective Coating

  • Case Dimensions: 44.1mm Diameter / 14.4mm Thickness / 50.0mm Lug-to-Lug

  • Bracelet: Black Titanium Link Band with Push-Button Clasp & Smart Adjuster

  • Water Resistance: 10 bar (100 Meters / 330 Feet)

We offer complimentary shipping on all orders, with each piece carefully packaged and fully insured for delivery. For full details on shipping methods and timelines, please visit our Shipping Policy.

Articles may be returned for a refund or exchange within 30 days of purchase, provided they are in salable condition and accompanied by a valid sales receipt. Please note that some exclusions may apply. For complete return guidelines, visit our Returns Policy.

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From the

Astron

Collection

back of Black and gold Seiko GPS Solar watch on a white background

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.

  • Brand: Seiko

  • Collection: Astron GPS Solar

  • Model Number: SSH186 (SSH186J1)

  • 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

  • Crystal: Dual-Curved Sapphire Crystal with Super-Clear Anti-Reflective Coating

  • Case Dimensions: 44.1mm Diameter / 14.4mm Thickness / 50.0mm Lug-to-Lug

  • Bracelet: Black Titanium Link Band with Push-Button Clasp & Smart Adjuster

  • Water Resistance: 10 bar (100 Meters / 330 Feet)

Crystal: Dual-curved sapphire crystal
Crystal Coating: Super-clear coating Clasp: Three-fold clasp with push button release
Bracelet Length: 190.0
Distance between lugs: 14

Caliber Number: 5X83
Movement Type: GPS solar
Precision: ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C )
Power reserve: Operating for approx. 6 months (when fully charged), power save: approx. 2 years
Jewels: 14
Functions:

  • Overcharge prevention function
  • Power save function
  • Chronograph up to 12 hours in 1/20 second increments
  • Perpetual calendar to the february 28, 2100
  • World time function (38 cities)
  • Dual-time function
  • Day display
  • Power reserve indicator
  • Time transfer function (Switching between the main-dial and sub-dial)
  • GPS signal reception function (Time zone adjustment, automatic time adjustment, manual time adjustment)
  • Satellite acquisition status display function
  • Reception result display function
  • DST (Daylight Saving Time)
  • Function to prevent the GPS signal reception (in-flight mode)
  • Automatic hand position alignment function

Case Material: Titanium (super-hard coating)
Case Size:
Thickness:14.4mm

Diameter:44.1mm

Lug-to-lug:50.0mm


Water Resistance: 10 bar
Magnetic Resistance: 4,800 A/m
Features:

  • LIMITED EDITION on the case back
  • Serial number engraved on the case back
  • Against an allergic reaction to nickel
  • Clasp with Smart Adjuster function
  • Screw case back
back of Black and gold Seiko GPS Solar watch on a white background

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.

  • Brand: Seiko

  • Collection: Astron GPS Solar

  • Model Number: SSH186 (SSH186J1)

  • 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

  • Crystal: Dual-Curved Sapphire Crystal with Super-Clear Anti-Reflective Coating

  • Case Dimensions: 44.1mm Diameter / 14.4mm Thickness / 50.0mm Lug-to-Lug

  • Bracelet: Black Titanium Link Band with Push-Button Clasp & Smart Adjuster

  • Water Resistance: 10 bar (100 Meters / 330 Feet)

Crystal: Dual-curved sapphire crystal
Crystal Coating: Super-clear coating Clasp: Three-fold clasp with push button release
Bracelet Length: 190.0
Distance between lugs: 14

Caliber Number: 5X83
Movement Type: GPS solar
Precision: ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C )
Power reserve: Operating for approx. 6 months (when fully charged), power save: approx. 2 years
Jewels: 14
Functions:

  • Overcharge prevention function
  • Power save function
  • Chronograph up to 12 hours in 1/20 second increments
  • Perpetual calendar to the february 28, 2100
  • World time function (38 cities)
  • Dual-time function
  • Day display
  • Power reserve indicator
  • Time transfer function (Switching between the main-dial and sub-dial)
  • GPS signal reception function (Time zone adjustment, automatic time adjustment, manual time adjustment)
  • Satellite acquisition status display function
  • Reception result display function
  • DST (Daylight Saving Time)
  • Function to prevent the GPS signal reception (in-flight mode)
  • Automatic hand position alignment function

Case Material: Titanium (super-hard coating)
Case Size:
Thickness:14.4mm

Diameter:44.1mm

Lug-to-lug:50.0mm


Water Resistance: 10 bar
Magnetic Resistance: 4,800 A/m
Features:

  • LIMITED EDITION on the case back
  • Serial number engraved on the case back
  • Against an allergic reaction to nickel
  • Clasp with Smart Adjuster function
  • Screw case back

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Insured delivery with tracking, carefully packaged to arrive in perfect condition

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YEAR
WARRANTY
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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.