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Seiko Astron GPS Solar Watches
The world’s first GPS solar watch, the Seiko Astron connects to the GPS satellite network to adjust to your local time zone with atomic precision at the touch of a button. Powered entirely by light and crafted in high-intensity titanium and sapphire crystal, the Astron represents the peak of Japanese electronic watchmaking. Browse authentic Seiko Astron timepieces at Zimson—official authorised retailer since 1948—backed by a stamped 2-year international brand warranty and insured nationwide shipping.

Model & Sub-Series Reference No. Calibre & Movement Case Material Price (INR)*
Astron GPS Solar Compact 3-Hand SSJ013J1 / SSJ015J1 Cal. 3X62 (GPS Solar) Titanium (Super-Hard Coating) ₹2,30,000 – ₹2,50,000
Astron 5X Dual-Time Titanium SSH153J1 / SSH155J1 Cal. 5X53 (GPS Solar Dual-Time) Titanium / Ceramic Bezel ₹2,50,000 – ₹2,70,000
Astron Dual-Time Chronograph HAB001J1 / HAB003J1 Cal. 5X83 (GPS Solar Chronograph) High-Intensity Titanium ₹2,90,000
Astron GPS Solar Chronograph HAB007J1 / HAB008J1 Cal. 5X83 (1/20th Sec Chrono) Titanium with DLC Coating ₹3,10,000 – ₹3,30,000
Astron 'Solar Eclipse' Limited Edition SSH186J1 Cal. 5X53 (Dual-Time GPS) Titanium with Rose Accents ₹2,90,000 – ₹3,50,000
Seiko 145th Anniversary Astron Edition HAB011J1 Cal. 5X83 (Edo Purple Dial) Titanium ₹3,30,000

 

*Official retail MRP inclusive of GST. Prices are subject to brand revision.

The Technology Behind Seiko Astron GPS Solar

In 1969, the original Seiko Quartz Astron disrupted global horology by introducing the world’s first quartz wristwatch. In 2012, Seiko pushed boundaries again by introducing the world’s first GPS Solar timepiece. Modern Seiko Astron watches are engineered for international business travellers, pilots, and collectors who require pinpoint timekeeping without manual adjustments.

1. Satellite Synchronization & Atomic Accuracy

Unlike standard radio-controlled watches that rely on regional land-based transmitters, the Seiko Astron communicates directly with GPS satellites orbiting 20,000 kilometres above Earth. By receiving signals from four or more satellites, the watch pinpoints your exact geographic location, identifies your specific time zone, and synchronizes its hands to atomic clock accuracy (accurate to 1 second every 100,000 years).

2. High-Efficiency Solar Power Generation

Seiko Astron watches do not use traditional disposable batteries. An ultra-thin solar cell placed beneath the dial absorbs ambient sunlight or indoor artificial light to charge an internal secondary battery. On a full charge, the movement operates for approximately six months in active use and up to two years in power-save mode.

3. Calibre 5X83 and 5X53: Advanced Complications

  • Dual-Time Display & Time Transfer: The secondary sub-dial at 6 o'clock displays a second time zone (AM/PM). Pressing the two pushers simultaneously swaps home time and local time in under a second.

  • High-Speed Time Zone Adjustment: Independent motors drive the hour, minute, and second hands simultaneously, ensuring instant hand movement when crossing international borders.

  • 1/20th-Second Chronograph: Newer Calibre 5X83 variants introduce high-precision stopwatch functionality positioned alongside satellite synchronization.

4. Lightweight Titanium & Super-Clear Sapphire

Astron cases and bracelets are forged from high-intensity titanium, making them approximately 40% lighter than stainless steel while delivering hypoallergenic comfort. Seiko treats the metal with its proprietary DiaShield super-hard coating to prevent everyday scratches, complemented by dual-curved sapphire crystal finished with a 99% anti-reflective Super Clear Coating.

Why Buy Your Seiko Astron from Zimson Watches?

  • Official Authorised Retailer: Every Seiko Astron purchased from Zimson is 100% authentic, sourced directly from Seiko Watch Corporation.

  • Official 2-Year International Warranty: Your watch includes the official brand warranty card, valid across all authorised Seiko service centres globally.

  • Luxury Retail Heritage Since 1948: With over seven decades of luxury watch expertise and an expansive boutique network across South India, Zimson delivers dedicated after-sales support and servicing.

  • Insured Pan-India Express Delivery: Secure, insured packaging shipped directly to your doorstep with real-time tracking, along with flexible no-cost EMI payment plans.