The Seiko HDB002 (also referenced as HDB002J1 / HDB002K1) is an exceptional, high-performance Japanese automatic mechanical dual-time sports timepiece from Seiko’s celebrated 5 Sports Field Collection. Celebrated worldwide among horology enthusiasts, sports watch collectors, and international globetrotters by its iconic series nicknames—the "Field GMT", "5KX Field GMT", "Explorer Style Field GMT", "Khaki Field GMT", or "Modern 5 Sports Field GMT"—this 39.4mm watch combines the utilitarian legibility of military field instruments with the travel utility of a dedicated dual-time GMT complication. It pairs a solid stainless steel case featuring a fixed radial-brushed steel 24-hour bezel with a warm textured tan dial, bold Arabic numerals, high-visibility LumiBrite markers, a vibrant high-contrast orange GMT hand, a framed date calendar window at 3 o'clock, an in-house Japanese automatic mechanical movement, a curved Hardlex crystal, a certified 100-meter water resistance rating, and a solid stainless steel construction. Perfectly tailored for gentlemen seeking authentic mechanical reliability, world-travel functionality, and rugged vintage field aesthetics, it transitions effortlessly from outdoor exploration to refined everyday wear. The defining visual highlight of this HDB002 reference is its expedition-inspired tan sand dial face, designed with an anti-reflective matte texture that ensures rapid, glare-free time checks under direct sunlight. The dial architecture features prominent black-outlined Arabic numerals (1 through 12) complemented by an inner concentric 24-hour military time track (13 through 24). Gliding above the dial are syringe-style hour and minute hands treated with Seiko’s proprietary high-potency LumiBrite compound, joined by a needle seconds hand and an arrow-tipped orange 24-hour GMT hand that delivers instantaneous dual-time tracking against the fixed outer bezel. Surrounding the dial, the brushed stainless steel bezel is precisely engraved with 24-hour increments filled in deep black lacquer. A neatly framed date calendar window rests at 3 o'clock, bordered by a discrete railway minute track along the dial perimeter. The harmonic interplay between the warm tan dial, energetic orange GMT accent, satin-brushed case surfaces, and five-row multi-link bracelet delivers an authentic, adventurous, and distinguished presence on the wrist. Beneath its rugged exterior, the watch is powered by Seiko’s proven in-house Caliber 4R34 automatic mechanical movement. Built with advanced self-winding mechanical architecture, the movement is equipped with manual hand-winding capability and second-hand hacking (stop-seconds) functionality for down-to-the-second time synchronization. Operating at 21,600 vibrations per hour (3 Hz) across 24 jewels, this mechanical engine coordinates central four-hand timekeeping—including an independently adjustable 24-hour GMT hand—alongside a synchronized quickset date complication at 3 o'clock, delivering a dependable 41-hour power reserve generated entirely by the natural motion of the wearer’s wrist or manual crown winding. The case is engineered with Seiko’s modern compact field architecture, measuring an ergonomic 39.4mm in diameter with a profile thickness of 13.6mm, an integrated lug-to-lug distance of 47.9mm, and a standard 20mm lug width, providing a balanced and comfortable fit across virtually any wrist size. Dial protection is provided by a durable, impact-resistant curved Hardlex crystal that adds optical depth while shielding against everyday wear. The solid stainless steel case incorporates a fluted crown at 3 o'clock for smooth winding, date adjustment, and independent GMT hand setting. Turning the watch over reveals an exhibition see-through screw-down case back proudly displaying the decorated caliber, rotating rotor, and beating balance wheel within. Built for dependable active utility and aquatic versatility, the watch achieves a certified 100-meter (10 bar / 10 ATM / 330 ft) water resistance rating suitable for swimming, snorkeling, and everyday sporting activities. The timepiece comes completed on a solid stainless steel construction featuring a classic five-row jubilee-style multi-link design, secured by a three-fold deployment clasp with a dual push-button release and safety lock.

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• UAE Orders: Delivered within 1 business day
• International Orders: Typically delivered within 2–5 business days after being processed
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• 14-Day Return & Refund Policy from the date of delivery – see our Refund Policy for full details