Seiko Astron SSH187J1 Spiral Galaxy limited edition GPS solar chronograph with blue galaxy dial, 1500pcs
Seiko SSH187J1 deep blue Spiral Galaxy dial with cosmic swirl pattern and LumiBrite markers
Seiko Astron SSH187J1 side view showing 43.3mm titanium case and ceramic/aluminum bezel
Seiko SSH187J1 engraved case back with limited edition number and 5X83 GPS solar calibre
Seiko Astron SSH187J1 & SSJ039J1 titanium bracelet with super-hard coating and three-fold clasp

SEIKO ASTRON SSH187J1 SPIRAL GALAXY LIMITED EDITION GPS SOLAR CHRONOGRAPH MEN WATCH

SSH187J1

  • Enter Code at cart page: HUAT38 ($38 off min $380)
Regular price$4,033.00
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  • Warranty 3 Years
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The Seiko Astron SSH187J1 Spiral Galaxy Limited Edition celebrates the cosmos with a mesmerizing blue galaxy dial inspired by the spiral arms of distant galaxies. Limited to just 1,500 pieces worldwide, this GPS solar chronograph combines Seiko's cutting-edge satellite timekeeping technology with stunning celestial aesthetics.

Key Features

  • Limited Edition - 1,500 Pieces Worldwide – Exclusive collectible with numbered caseback
  • Blue Galaxy Dial – Stunning cosmic design inspired by spiral galaxies
  • GPS Solar Calibre 5X83 – Satellite-synchronized timekeeping powered by light
  • Perpetual Calendar to 2100 – Never adjust the date for decades
  • World Time (39 Time Zones) – Automatic time zone adjustment via GPS
  • Chronograph Function – Precision timing with 12-hour measurement capacity
  • Titanium Case & Bracelet – Lightweight, durable, and hypoallergenic construction
  • Sapphire Crystal – Superior scratch resistance with anti-reflective coating
  • 100m Water Resistance – Reliable protection for daily wear
  • Solar Powered – Eco-friendly energy with 6-month power reserve when fully charged

Whether you're a watch collector, astronomy enthusiast, or global traveler, the SSH187J1 Spiral Galaxy represents the pinnacle of Seiko's GPS solar technology wrapped in celestial beauty. A limited edition masterpiece that connects you to the cosmos.

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

Exterior
Dial Colour:Blue
LumiBrite:Lumibrite on hands and indexes
Case Material:Titanium (super-hard coating) with ceramic/aluminum bezel
Strap/Bracelet:Titanium (super-hard coating)
Clasp:Three-fold clasp with push button release
Case Diameter:43.3mm
Case Thickness:13.4mm
Case Length:49.5mm
Lug Width:14.0mm

Other Specifications
Water Resistance:10 bar
Weight:117.0g
Crystal Coating:Super-clear coating
Crystal Type:Dual-curved sapphire crystal

Other Specifications:LIMITED EDITION on the case back, Screw case back, Serial number engraved on the case back, Allergy-safe metal, Clasp with Smart Adjuster function

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

Magnetic Resistance:4,800 A/m

* In an actual product, the case back direction might be different from the photograph.
** Limited Edition of 1,500 pieces

For online purchase, you can have bracelet or leather strap adjustments done at any City Chain store. Please bring along your warranty book for the service.