Seiko Astron GPS Dual Time SSH107J1 Pro and Cons

The Seiko Astron GPS Dual Time SSH107J1 is a remarkable watch that offers an array of impressive features and functionalities. It combines the precision of GPS time synchronization with a stylish design, making it a popular choice among watch enthusiasts and frequent travelers. However, like any product, it has its pros and cons. In this article, we will delve into a detailed discussion of the Seiko Astron GPS Dual Time SSH107J1, examining its advantages and disadvantages extensively.


  1. GPS Time Synchronization: One of the key features of the Seiko Astron SSH107J1 is its ability to automatically adjust to the correct time using GPS signals. This ensures extreme accuracy, as it connects to multiple satellites to locate your position and update the time accordingly.
  2. Dual Time Functionality: The SSH107J1 allows you to keep track of two time zones simultaneously, making it an ideal choice for frequent travelers or individuals who frequently work with individuals in different time zones. You can easily switch between the main and sub-dial to view the desired time.
  3. Solar-Powered: This Seiko Astron model is powered by light, be it natural sunlight or indoor lighting. It features a solar panel on the dial that converts light energy into electrical power and stores it in a rechargeable battery. This eliminates the need for regular battery replacements and ensures long-term reliability.
  4. Perpetual Calendar: The SSH107J1 incorporates a perpetual calendar, which means it is programmed to display the correct date until the year 2100, accounting for leap years and varying month lengths. It saves you the hassle of manual date adjustments, particularly useful for those who frequently travel across time zones.
  5. World Time Function: Apart from the dual time zone feature, the Seiko Astron SSH107J1 also offers world time functionality. It can display the time in 39 different time zones, allowing you to easily switch between various locations.
  6. Daylight Saving Time Adjustment: The watch is equipped with a Daylight Saving Time function that automatically adjusts the time when DST starts or ends. This feature ensures that you have accurate timekeeping without any manual intervention.
  7. High-Quality Materials: Seiko ensures exceptional build quality with the Astron line, incorporating premium materials in their watches. The SSH107J1 features a stainless steel case and bracelet, providing durability and an elegant appearance. The bracelet has a push-button deployment clasp, allowing for a secure and comfortable fit.
  8. Water Resistance: With a water resistance rating of 100 meters, the SSH107J1 is suitable for everyday use and can withstand accidental splashes, showering, or swimming. It offers a good level of protection against water-related accidents.
  9. Excellent Visibility: The watch features a scratch-resistant sapphire crystal, known for its exceptional clarity and durability. Additionally, it has luminescent hands and markers, ensuring excellent visibility in both bright and dimly lit conditions.
  10. Sleek Design: The Seiko Astron SSH107J1 exudes a modern and stylish appeal with its sleek design. It strikes a good balance between sporty and sophisticated aesthetics, making it suitable for various occasions.


  1. Price: The Seiko Astron SSH107J1 is priced at a premium range due to its advanced features and high-quality materials, which might make it less accessible for budget-conscious buyers.
  2. Complex Interface: Given the multiple features and functions, the watch’s interface may seem complicated for some users initially. It requires a bit of familiarization to fully utilize all the capabilities effectively.
  3. Limited Bracelet Adjustment: The bracelet of the SSH107J1 has a limited number of removable links, which may pose a problem for individuals with larger wrist sizes. It might require additional adjustments or finding compatible aftermarket options.
  4. No Smart Features: While the Seiko Astron SSH107J1 offers advanced GPS technology, it does not include any smart features commonly found in modern smartwatches, such as smartphone connectivity or notification alerts.
  5. Reliance on GPS signal: Since the SSH107J1 is dependent on GPS signals for time synchronization and location-based functionalities, its performance may be affected in areas with poor GPS reception or interference from structures.

In conclusion, the Seiko Astron GPS Dual Time SSH107J1 offers an impressive range of features and functionality, making it a reliable and stylish companion for frequent travelers or individuals who work across different time zones. It boasts accurate timekeeping, solar-powered operation, perpetual calendar, and world time functionality. While it comes with a higher price tag, its build quality, water resistance, and sleek design make it an attractive option for watch enthusiasts. However, potential buyers should consider the learning curve associated with its complex interface and the absence of smart features.

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