Seiko 5 Sports Field Series – Rugged Automatic Military-Inspired Watches | Shopping In Japan

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Seiko 5 Sports Field Series – Everyday Toughness with Military Roots

Built for adventure and inspired by classic field watches, the Seiko 5 Sports Field Series brings rugged functionality and timeless design into a versatile, modern package. Clean numerals, easy legibility, and durable materials make this a watch you can wear every day — whether you're out in the wild or navigating city life.

Each model is powered by Seiko’s trusted automatic movement, offering self-winding convenience and mechanical soul without ever needing a battery. With its bold dial layout, 24-hour scale, and strong lume, the Field Series stays true to its military roots — but with the refined construction Seiko is known for.

Explore the Seiko 5 Sports Field Series:

Automatic Movement – Powered by You

Caliber 4R36: Reliable self-winding movement with hand-winding and hacking
41-hour power reserve (approx.)
Day/date display for everyday practicality

Military-Inspired Design – Legibility First

Field-style dials with large Arabic numerals and 24-hour markings
Luminous hands and markers for clear visibility day or night
Screw-down display caseback to showcase the mechanical movement

Tough Build for Daily Wear

Stainless steel or matte-finished cases for rugged durability
Hardlex crystal for added scratch resistance
Water resistance up to 100 meters
Available on leather, NATO-style nylon, or stainless steel bracelets

Why Choose the Seiko 5 Sports Field?

This is a watch built for movement. For light treks, long weekends, or just reliable everyday wear. It has the look of a vintage military timepiece, the heart of a mechanical engine, and the versatility to go with anything.

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