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Seiko Astron GPS Solar Dual-Time Chronograph 5X83 Seiko Astron GPS Solar Dual-Time Chronograph 5X83 Seiko Astron GPS Solar Dual-Time Chronograph 5X83 Seiko Astron GPS Solar Dual-Time Chronograph 5X83

Seiko Astron GPS Solar
Dual-Time Chronograph 5X83

Seiko presents the first Astron GPS Solar watch
to combine Dual-Time technology with a chronograph function.

Caliber 5X83

With chronograph timing to 1/20th of a second,
the new Caliber 5X83 boasts the highest performance in Astron's history.

*For more information about the technology and features of the GPS Solar movement, visit here.

Caliber 5X83 Dual-Time Chronograph
Three Key Improvements

01

A 1/20-second
chronograph function

The new watch features a sub-dial at 12 o'clock that measures elapsed time in increments of 1/20th of a second.

02

A faster time
transfer function

The time of day displayed on the main dial can be switched with the one on the six o'clock sub-dial by holding down two buttons for three seconds. The main dial and sub-dial hands move simultaneously, making the time required for the transfer significantly shorter with the new Caliber 5X83 than with Caliber 5X53.

03

Further improvement
of the dial texture

The new movement's enhanced energy-charging efficiency allows the main dial and sub-dials to have contrasting colors and textures.

Photo of SSH151 SEIKO ASTRON Dial / Bezel Photo of SSH151 SEIKO ASTRON Dial / Bezel Photo of SSH151 SEIKO ASTRON Dial / Bezel

Dial / Bezel

Thanks to the new movement design, this is the first Seiko Astron to have a sub-dial at the 12 o'clock position and allows the main dial and sub-dials to have contrasting colors and textures, creating a more dynamic and sporty presence.

The watches feature a two-part bezel that includes an upper part in ceramic and a titanium frame. The bezel is marked with the word "CHRONOGRAPH" along with Arabic numerals.

Photo of SSH151 SEIKO ASTRON Lumibrite

Lumibrite

The hour, minute, and seconds hands, in addition to the three-dimensional indexes, are all filled with Lumibrite, enhancing legibility in low-light conditions.

Photo of SSH151 SEIKO ASTRON Case / Bracelet Photo of SSH151 SEIKO ASTRON Case / Bracelet Photo of SSH151 SEIKO ASTRON Case / Bracelet

Case /
Bracelet

Thanks to the low center of gravity of the titanium case and the dual-curved sapphire crystal glass with super-clear coating, the watches ensure high levels of comfort and legibility.

The buckle adjustment system allows the bracelet to be easily adjusted with a single push when the size fluctuates due to changes in temperature.

*For more information about the buckle adjustment system, click here.

Photo of A new adjustment system for the buckle

A new adjustment system for the buckle

A new buckle adjustment system allows you to make, at the touch of a button, the minor adjustments to the length of the bracelet that are so important when temperature or other changes make the wrist expand or contract.

Seiko Astron GPS Solar
Dual-Time Chronograph 5X83

Seiko Brand 100th Anniversary Seiko Astron GPS Solar Kintaro Hattori Limited Edition Seiko Brand 100th Anniversary Seiko Astron GPS Solar Kintaro Hattori Limited Edition Seiko Brand 100th Anniversary Seiko Astron GPS Solar Kintaro Hattori Limited Edition Seiko Brand 100th Anniversary Seiko Astron GPS Solar Kintaro Hattori Limited Edition
Logo of 100th Anniversary of the Seiko Brand

Seiko Brand 100th Anniversary
Seiko Astron GPS Solar
Kintaro Hattori Limited Edition

Since the beginning of Seiko in 1881, the company has continued to innovate in line with founder Kintaro Hattori's philosophy to be "Always one step ahead of the rest." In 1924, the company introduced the first wristwatch with "Seiko" on the dial, signifying the beginning of the Seiko brand. The year 2024 marks the 100th anniversary of this landmark event.

Seiko Astron introduces a limited-edition model that commemorates the legacy of Kintaro Hattori. Based on the concept of "brilliance," this limited-edition model is a milestone for the Seiko brand 100th anniversary, which will continue to pursue innovation for a bright future.

Photo of SSH156 SEIKO ASTRON Dial / Bezel Photo of SSH156 SEIKO ASTRON Dial / Bezel Photo of SSH156 SEIKO ASTRON Dial / Bezel

Dial / Bezel

Designed of a vivid nighttime scene in which the earth is viewed from an orbiting satellite

The all-black case and bracelet, sunray-patterned dial, and yellow-gold-colored accents evoke a view of the earth at night as seen from an orbiting satellite, an image that perfectly channels the groundbreaking technology behind Astron GPS Solar.

The two-part bezel consists of a multi-faceted ceramic upper portion and a yellow-gold-colored titanium frame to create a brilliance that further evokes this shimmering night view.

Photo of SSH156 SEIKO ASTRON Bracelet / Crown Photo of SSH156 SEIKO ASTRON Bracelet / Crown Photo of SSH156 SEIKO ASTRON Bracelet / Crown

Bracelet / Crown

Special bracelet and crown made of ceramic

The bracelet's center links and the tip of the crown are created with ceramic that has a glossy surface, while the outer links are made of titanium with a black super-hard coating.

Photo of SSH156 SEIKO ASTRON Case Back Photo of SSH156 SEIKO ASTRON Case Back Photo of SSH156 SEIKO ASTRON Case Back Photo of SSH156 SEIKO ASTRON Case Back

Case Back

A case back that tells the story of Seiko's founder.

The yellow-gold-colored case back carries company founder Kintaro Hattori's name and the trademark "S" that he registered in 1900 as a symbol of the Seikosha factory. Just above the trademark appears the phrase that so aptly captured his philosophy for the company.
The words "Limited Edition" and the individual watch's serial number (0001/1000-1000/1000) are also inscribed on the case back.

*Item may differ in appearance from the image shown.

Photo of The 'S' mark; Kintaro's first trademark.

The 'S' mark; Kintaro's first trademark.

A special pin badge with the trademark "S" is offered with the watch.

Photo of SSH156 SEIKO ASTRON Special Box

Special Box

The watch is offered in a special presentation box with an additional extra-strength silicone strap and a commemorative "S" mark badge.

Seiko Brand 100th Anniversary
Seiko Astron GPS Solar
Kintaro Hattori Limited Edition

  • Photo of SSH156 SEIKO ASTRON Photo of SSH156 SEIKO ASTRON

    SSH156

    [ Caliber 5X83 ]

    Limited edition of 1,000

    Available in July 2024