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Seiko Prospex Alpinist Mechanical

Seiko Prospex Alpinist Mechanical Seiko Prospex Alpinist Mechanical Seiko Prospex Alpinist Mechanical Seiko Prospex Alpinist Mechanical

The Laurel Alpinist, born in 1959 as Seiko’s first sports watch, was built to withstand the demands of mountaineering and outdoor adventure.
Its modern successor stays true to that legacy, combining toughness and practicality with a design that is at home both in nature and the city.
With features designed for outdoor use and a touch of playful elegance, the Alpinist has evolved into a classic sports watch for every occasion.
The latest model embodies the essence of the original, carrying the Alpinist forward with upgraded specifications worthy of the Prospex collection.

Photo of Alpinist original model Photo of Alpinist original model Photo of Alpinist original model

Archive

The original model was introduced to meet the needs of mountain climbers and recreational field sports enthusiasts. It had a screw back to prevent dust and sand from entering the case and a sturdy leather cuff strap to protect the watch from perspiration. The luminous indexes and hour and minute hands ensured high legibility in the dark. This feature became central to the design of many subsequent Seiko sports watches and remains so to this day.

Photo of SPB507 Seiko Prospex Dial Photo of SPB507 Seiko Prospex Dial Photo of SPB507 Seiko Prospex Dial Photo of SPB507 Seiko Prospex Dial

Dial

Carrying on the tradition of the original Laurel Alpinist launched in 1959, the Alpinist logo is placed just below the Seiko logo at the 12 o'clock position.
The dial is rendered in a striking green color that enhances this watch’s distinctive presence.

Photo of SPB507 Seiko Prospex Case Back Photo of SPB507 Seiko Prospex Case Back Photo of SPB507 Seiko Prospex Case Back Photo of SPB507 Seiko Prospex Case Back

Case Back

The case back is adorned with a mountain range motif, highlighting the Alpinist worldview.

Photo of SPB507 Seiko Prospex Specification Photo of SPB507 Seiko Prospex Specification Photo of SPB507 Seiko Prospex Specification Photo of SPB507 Seiko Prospex Specification

Specification

The watch is powered by the Caliber 6R55 mechanical movement, which boasts high reliability and a long power reserve lasting three full days.

The stainless steel case features a hard coating that resists minor scratches, helping to maintain its beautiful appearance over time.

Water resistant to 20 bar, it delivers performance well-suited for a field watch.

Photo of SPB507 Seiko Prospex Leather Strap Photo of SPB507 Seiko Prospex Leather Strap Photo of SPB507 Seiko Prospex Leather Strap Photo of SPB507 Seiko Prospex Leather Strap

Leather Strap

The strap is crafted from calf leather for a beautiful appearance and a sense of comfort and quality on the wrist.

Seiko Prospex Alpinist Mechanical

Photo of SPB507 Seiko Prospex Photo of SPB507 Seiko Prospex

SPB507

[ Caliber 6R55 ]

Available in November 2025

Specifications