






Seiko Astron | SSJ021J1 GPS Solar "Starry Sky" Limited Edition Watch

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Celebrate celestial brilliance with an exclusive, high-tech tribute to the morning star. Inspired by the radiant glow of Venus cutting through the early dawn, the Seiko Astron SSJ021J1 is an architectural masterpiece strictly limited to only 1,200 pieces worldwide. Combining a stealthy, all-black titanium profile with a mesmerizing deep blue gradient dial and luxury gold accents, this watch honors visionary leaders with cosmic beauty and cutting-edge autonomous timekeeping
Celebrate celestial brilliance with an exclusive, high-tech tribute to the morning star. Inspired by the radiant glow of Venus cutting through the early dawn, the Seiko Astron SSJ021J1 is an architectural masterpiece strictly limited to only 1,200 pieces worldwide. Combining a stealthy, all-black titanium profile with a mesmerizing deep blue gradient dial and luxury gold accents, this watch honors visionary leaders with cosmic beauty and cutting-edge autonomous timekeeping
CASE
Case Diameter: 41.2 mm
Case Thickness: 12.0 mm
Case Length (Lug-to-Lug): 48.6 mm
Material: Titanium with Black Super-Hard Coating
Bezel: Dynamic Hexagonal/Polygonal Bezel
Crystal: Sapphire Crystal (Super-Clear Coating)
Case Back: Threaded Screw Case Back with "Limited Edition" and Serial Number Engravings
BAND
Material: Titanium with Black Super-Hard Coating
Clasp: Three-Fold Clasp with Push-Button Release and Smart Adjuster Function
MOVEMENT & PERFORMANCE
Movement: Caliber 3X62 GPS Solar Powered
Accuracy: GPS satellite synchronization ($\pm$15 seconds per month without a satellite signal)
Power Reserve: Approximately 6 Months on a full charge (Perpetual operation through ambient light)
Water Resistance: 100 Meters / 10 Bar
Luminous: High-grade blue LumiBrite on hands and indexes
Functions: GPS signal reception indicator, multi-functional indicator sub-dial, charging status display, automatic time zone alignment, date display
CASE
Case Diameter: 41.2 mm
Case Thickness: 12.0 mm
Case Length (Lug-to-Lug): 48.6 mm
Material: Titanium with Black Super-Hard Coating
Bezel: Dynamic Hexagonal/Polygonal Bezel
Crystal: Sapphire Crystal (Super-Clear Coating)
Case Back: Threaded Screw Case Back with "Limited Edition" and Serial Number Engravings
BAND
Material: Titanium with Black Super-Hard Coating
Clasp: Three-Fold Clasp with Push-Button Release and Smart Adjuster Function
MOVEMENT & PERFORMANCE
Movement: Caliber 3X62 GPS Solar Powered
Accuracy: GPS satellite synchronization ($\pm$15 seconds per month without a satellite signal)
Power Reserve: Approximately 6 Months on a full charge (Perpetual operation through ambient light)
Water Resistance: 100 Meters / 10 Bar
Luminous: High-grade blue LumiBrite on hands and indexes
Functions: GPS signal reception indicator, multi-functional indicator sub-dial, charging status display, automatic time zone alignment, date display
Notice to Customers:
Orders are dispatched from Singapore.
For customers in the United States:
As of August 29, 2025, all goods imported into the U.S.—regardless of their value—may incur a 10% import duty. This change follows the removal of the de minimis threshold under updated U.S. customs policies.
Please note that customers are responsible for all import duties, taxes, customs charges, and any applicable handling fees.
For information specific to your country’s customs process, including courier fees or tax-free limits, please reach out to our support team.
Notice to Customers:
Orders are dispatched from Singapore.
For customers in the United States:
As of August 29, 2025, all goods imported into the U.S.—regardless of their value—may incur a 10% import duty. This change follows the removal of the de minimis threshold under updated U.S. customs policies.
Please note that customers are responsible for all import duties, taxes, customs charges, and any applicable handling fees.
For information specific to your country’s customs process, including courier fees or tax-free limits, please reach out to our support team.
