Seiko 5 Sports Automatic GMT Field Series 41mm - HDB002K

Reference Number: HDB007K

Seiko 5 Sports Field Series 41mm HDB007K

The Seiko 5 Sports Field Series GMT HDB002K takes the most useful complication in travel watchmaking and drops it into a case that disappears on the wrist. The stainless steel case has compact field watch proportions with drilled lugs and a 20mm strap width. A fixed steel bezel engraved with a 24-hour scale rings a warm ivory dial, where high-contrast Arabic numerals carry both 12- and 24-hour markings and a bold orange-red GMT hand contrasts as a single point of focus.

LumiBrite-coated hands and markers hold their charge for genuine low-light legibility, a date sits at three o'clock, and a curved Hardlex crystal gives the dial a subtle vintage bow. The five-link stainless steel bracelet closes on a one-push three-fold clasp with a double-lock, and the automatic movement is visible through a see-through screw-down caseback.

Inside is Seiko's in-house Calibre 4R34, an automatic GMT movement with manual winding and hacking seconds, running at 21,600 vibrations per hour with a power reserve of approximately 41 hours. This is a genuine caller-style GMT movement — a mechanical dual-time zone complication in a watch positioned at the entry point of the automatic market, where GMTs almost never appear.

The HDB002K is water resistant to 100 metres and magnetically resistant, so it handles swimming, rain and daily wear without a thought. It's a men's automatic GMT watch built for someone who actually travels — a small, tough, dual-time steel watch that compliments a suit as well as it does a tshirt.

TECHNICAL DETAILS