Seiko Astron Premium GPS Solar Dual-Time Chronograph Watch, SSH179J1
Seiko Astron GPS Solar Dual-Time Chronograph SSH179J1 Black Titanium Watch
The Seiko Astron SSK009J1 is a striking and technically advanced men's watch, with a deep black dial that emphasizes the sporty and modern look of the model. Multiple subdials and a clear overall design make the watch dynamic yet balanced. The lightweight and durable titanium case with a super-hard coating feels comfortable and refined on the wrist.
GPS Solar technology enables automatic time and time zone updates via satellite signal. The dual-time function, chronograph, and nearly perpetual calendar make this model an excellent companion for travel and active everyday life. Astron represents Seiko's most advanced expertise – precision, innovation, and meticulous finishing.
Japanese Seiko watches are known for their technical excellence and durability. With over 100 years of history, Seiko has brought significant innovations to the watch industry, such as the first quartz watch and kinetic technology. Seiko watches combine timeless elegance with first-class product development.
Product number: SSK009J1
Case material: titanium (with hard coating)
Case colour: black
Case diameter: 44.1 mm
Watch thickness: 14.4 mm
Bracelet material: titanium
Strap colour: black
Strap width: 14 mm
Dial colour: black
Glass: double-curved sapphire glass
Water resistance: 100 m (10 bar)
Movement: GPS Solar (caliber 5X83, 14 jewels)
Battery life: approximately 6 months when fully charged, approximately 2 years in power saving mode
Chronograph: up to 12 hours, 1/20 second accuracy
Calendar function (until February 28, 2100)
World time (38 cities)
Dual-time function
Date display
Overload protection function
Power saving function
GPS signal reception
Daylight Saving Time (DST) function
Airplane mode (GPS signal blocking function)
Automatic pointer alignment
Made from allergy-friendly metal
All Seiko watches come with a two-year warranty and are delivered in their original Seiko case.
















