Seiko Launches New Prospex Alpinist GMT in the U.S.

The latest addition to the Prospex collection features a forest-green dial and a 72-hour power reserve.

Updated on Oct. 30, 2026 in National Parks

Bold vector editorial illustration of a green-faced mechanical watch with an internal compass ring, symbolizing a premium timepiece launch. — Seiko has released its new Prospex Alpinist GMT watch in the United States, featuring a forest-green sunburst dial and the 6R54 automatic movement. AI Illustration. Upload story photo >

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Seiko has released the green dial Prospex Alpinist GMT watch in the United States. This new model is equipped with the brand's Caliber 6R54 automatic movement.

Why it matters

The release brings a GMT complication to the popular Alpinist line, offering an updated choice for collectors seeking both utility and the brand's signature aesthetic.

The watch features a 39.5mm brushed stainless steel case and a 72-hour power reserve. Its accuracy is rated at +25/-15 seconds per day.

The players

Seiko

Seiko is a Japanese watchmaker known for producing a wide range of timepieces, from affordable quartz models to high-end mechanical luxury watches.

The details

The watch features a forest-green sunburst dial with gold-tone accents and an internal rotating compass ring adjusted by a 4:00 crown. A red-tipped gold hand displays the GMT complication, while the date window sits at the 4:30 position.

The Alpinist line was first revived within the Prospex collection in 2019.
The new GMT model is available in the United States market as of October 30, 2026.

Roadmap

This release expands the Prospex portfolio by integrating complex GMT functionality into a historically significant field-watch design. It follows the 2019 revival of the Alpinist line as the manufacturer continues to evolve its most recognizable sport watch models for modern users.

The watch is currently available through authorized dealers across the United States. Prospective buyers should note the $1,150 price point, which marks a $250 premium over the standard three-hand Alpinist model.

The takeaway

Collectors can now access the GMT functionality in the classic Alpinist aesthetic for the first time. Those interested in the watch should check with local authorized retailers regarding specific stock availability.