# GPS Solar Chronographs Seiko Drops Astron GPS Solar Dual-Time Chronograph 145th Anniversary Series By Amy Duong | Published 2026-05-14 | Fashion Source: Trend Hunter, https://www.trendhunter.com/trends/astron-gps-solar-dualtime References: [seikowatches](https://www.seikowatches.com/ca-en/products/astron/special/2024_sport_design/)  [Seiko](https://www.trendhunter.com/trends/seiko-145th-anniversary) unveils a [145th anniversary collection](https://www.trendhunter.com/trends/seiko-x-sega) within the [Astron](https://www.trendhunter.com/trends/astron-gps-solar) line, introducing the GPS Solar Dual-Time Chronograph models HAB001, HAB002, HAB003, and HAB004. The series is powered by the new Calibre 5X63, which combines GPS-controlled time and time zone adjustment with a dual-time display and chronograph functionality measuring up to 24 hours in 1/20-second increments. The movement also includes a perpetual calendar correct to the year 2100, automatic daylight saving time adjustment, and a power save function. The watches feature titanium cases with super-hard coating and a case size of approximately 43.4mm in diameter and 12.4mm in thickness. The dial layout places sub-dials in a horizontal, symmetrical arrangement, with variations across the four models including different dial colors and accent treatments. One version is a limited edition of 2,000 pieces, while others are standard production models within the Astron collection. The design includes sapphire crystal with super-clear coating and a quick-change strap system allowing easy bracelet or strap replacement. Image Credit: Seiko ## Trend Insights (Trend Hunter) - Score: 8.8/10 - Popularity: 94% | Activity: 94% | Freshness: 76% - Audience gender: 50% men, 50% women - Primary generations: Gen Z, Millennial, Gen X - Top markets: North America, South America, Europe, Asia, Africa ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Fashion](https://www.trendhunter.com/fashion) > [Watches](https://www.trendhunter.com/watches) ## Key Themes ### Key Themes Behind This Trend - **Satellite-synced Luxury Timekeeping:** Global navigation satellite integration in premium watches enables instantaneous, accurate dual-time and timezone adjustments without user input, redefining expectations for precision in luxury timepieces. - **Integrated Solar-powered Chronographs:** Solar-driven movements paired with high-performance chronograph functions reduce reliance on battery servicing and enable continuous, feature-rich operation for extended periods. - **Modular Quick-change Straps:** Quick-release bracelet systems support rapid aesthetic and functional customization, encouraging personalized ownership and extended product lifecycles. ### Where This Applies - **Luxury Watchmaking:** High-end horology is being reshaped by smart, hybrid movements that blend traditional craftsmanship with satellite connectivity and energy-harvesting technologies. - **Wearable Electronics:** Consumer wearables stand to benefit from miniaturized GPS, solar power management, and precision chronograph modules originally developed for premium watches. - **Materials Engineering:** Advances in super-hard coatings, lightweight titanium alloys, and anti-reflective sapphire treatments are enabling more durable, lighter, and visually refined wearable products. ## Related on Trend Hunter - [Luxe Detachable Timepieces](https://www.trendhunter.com/trends/royal-pop.md) - [Racing Chronograph Watches](https://www.trendhunter.com/trends/formula-1-solargraph-indy-500.md) - [Sporty Drinking Accessories](https://www.trendhunter.com/trends/miller-time-mvp-matchball.md) - [Collaboration Streaming Service TVs](https://www.trendhunter.com/trends/sharp-roku-tv-qled.md) - [Fan Participation Campaigns](https://www.trendhunter.com/trends/the-fan-edit.md) - [Celebratory Soccer Dining Events](https://www.trendhunter.com/trends/matchday-menu.md) - [Multitasking Volunteer Initiatives](https://www.trendhunter.com/trends/heineken-fan-volunteers.md) - [Stress Management App Updates](https://www.trendhunter.com/trends/stress-management-apps.md) - [Digital Soccer Platforms](https://www.trendhunter.com/trends/deltatre-forge.md)