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ASTRON · GPS SOLAR · SATELLITE TECHNOLOGY
Seiko Astron
SSH021J1
42.9mm steel case, black dial, GPS Solar technology, perpetual calendar, world time and sapphire crystal. Atomic time precision on your wrist.
🛰️ Astron GPS Solar: The satellite watchmaking revolution
The Seiko Astron SSH021J1 (EAN: 8431242961255) is a watch that represents the pinnacle of Japanese watchmaking technology. With its innovative GPS Solar system, it connects to the GPS satellite network to automatically adjust time and time zone anywhere in the world. Its 42.9mm stainless steel case and black dial give it an elegant and understated look. Equipped with the Seiko 5X53 caliber, it offers perpetual calendar, world time and power reserve, all powered by any light source.
⚡ GPS Solar Technology: GPS synchronization · Automatic time zone adjustment · Perpetual calendar until 2100 · Power reserve · Sapphire crystal · 100m water resistance.
⚡ Functions and technology
A high-tech watch designed for the most demanding travelers. Discover every feature of this Japanese marvel.
🛰️ GPS Solar
Connection to GPS satellite network
Automatic time and time zone adjustment
Solar charging from any light
Seiko 5X53 caliber
🌍 World time & Calendar
World time (pre-programmed cities)
Perpetual calendar until year 2100
Power reserve indicator
Time zone change function
💎 Materials & Resistance
Stainless steel case
Diameter 42.9 mm · Thickness 12.2 mm
Sapphire crystal
10 ATM / 100 meters water resistance
🔧 Construction & Design
Stainless steel bracelet
Black dial
Silver hands and indices
Pull crown
📋 Complete specifications
| Item | Specification |
|---|---|
| Reference | SSH021J1 |
| EAN | 8431242961255 |
| Brand | Seiko |
| Collection | Astron |
| Gender | Men |
| Movement | Seiko 5X53 · GPS Solar |
| Type | Solar with GPS synchronization |
| Functions | 3 hands · Perpetual calendar · Day · GPS · World time · Power reserve |
| Case | Stainless steel, 42.9 mm diameter, 12.2 mm thickness |
| Case shape | Round |
| Dial | Black |
| Hands | Silver |
| Crystal | Sapphire |
| Bracelet | Stainless steel, gray color |
| Clasp | Push-button deployant clasp |
| Water resistance | 10 ATM / 100 meters |
| Crown | Pull crown |
| Warranty | 3 years national Spain / 1 year international |
| Box | Official brand box |
✅ Who is this Seiko Astron for?
A cutting-edge technology watch, ideal for frequent travelers, international executives and lovers of high-tech watchmaking. Its GPS Solar system eliminates the need for battery changes and manual time adjustments. Its elegant black dial offers a sober and versatile look. Its 42.9mm case is versatile and fits medium and large wrists (from 16.5cm). Perfect for those who value atomic precision, satellite connectivity and an elegant, sporty design.
🔒 Buy with official warranty
This Seiko Astron SSH021J1 is 100% original. Official Seiko distributor, 3-year national warranty in Spain and specialized technical service. EAN: 8431242961255.
This Seiko Astron SSH021J1 is 100% original. Official Seiko distributor, 3-year national warranty in Spain and specialized technical service. EAN: 8431242961255.
Get your Seiko Astron GPS Solar, satellite precision on your wrist
GPS Solar · Perpetual calendar · World time · Sapphire crystal · Free shipping 24-48h
✔ Official Seiko distributor
✔ 3-year warranty Spain
✔ 30-day returns
Secure payment · Personalized customer service
Seiko Astron SSH021J1 · EAN: 8431242961255 · Caliber 5X53 GPS Solar · 42.9mm steel case · Black dial · Sapphire crystal · Steel bracelet · Perpetual calendar · World time · 100m water resistance
Joyería Pato – Plaza de la Piedra nº7, Vigo · Official Seiko distributor