Seiko Prospex Alpinist Mechanical GMT

Seiko Prospex Alpinist Mechanical GMT

Seiko Prospex Alpinist Mechanical GMT
GMT by Seiko

Seiko Prospex Alpinist Mechanical GMT

Prospex Land · Prospex Alpinist Mechanical GMT

Case
39.5 mm
Thickness
13.6 mm
Crystal
Sapphire
Updated 11 November 2026
About this watch

The Seiko Prospex Alpinist Mechanical GMT is a 39.5 mm watch from the Prospex Land collection. Its stainless steel case is 13.6 mm thick and 46.4 mm from lug to lug. It is water resistant to 200 m. The crystal is sapphire.

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Last update:

11 November, 2026