SEIKO HDB002
Rugged military heritage, built for adventure
The Seiko 5 Sports Field GMT Series introduces tactical versatility to the iconic 5 Sports lineup. Featuring a sporty vintage-inspired field watch aesthetics with high-contrast Arabic hour markers and a bold red GMT hand for tracking a second time zone at a glance. Every detail, from the luminous LumiBrite-coated indices and hands to the textured dial surfaces, is crafted to optimize legibility under any lighting condition.

At the heart, is Seiko’s reliable in-house Caliber 4R34 automatic movement, offering manual winding, a hacking stop-seconds function, and a 41-hour power reserve. Encased in a well-proportioned 39.4mm stainless steel case with a curved Hardlex crystal, these watches provide 10 bar (100m) water resistance and feature a see-through exhibition caseback to view the automatic mechanical engine in action. Completed with a solid multi-link stainless steel bracelet and a secure three-fold clasp, an ideal balance of functional GMT performance and field-ready durability.