Seiko SBSC001 SKX Series SBSC001/SSK001 “SKX Sports Style” Made in Japan Automatic GMT (Caliber 4R34), Stainless Steel Case & Bracelet, Hardlex Crystal with Cyclops, 42.5 mm, 100m Water Resistances

The Seiko SBSC001 is a spirited revival of the classic SKX design, now elevated with GMT functionality and modern mechanical performance. From the moment you lift it from the box, you sense the balance of legacy and evolution. Its matte black dial anchors you in clarity, while the contrasting GMT hand and bezel details—often in red and blue tones—add a dash of dynamism that nods to travel, exploration, and purpose beyond mere timekeeping.

Beneath the striking exterior lies Seiko’s 4R34 automatic movement, offering approximately 41 hours of power reserve. The mechanism supports both manual winding and stop-seconds (hacking) features, giving you full control when syncing your time, especially across multiple zones. A 24-hour GMT hand enables dual time display, making it a practical companion for globetrotters or professionals crossing time between continents.

The case spans about 42.5 mm in diameter and measures roughly 13.6 mm in thickness, giving it a presence that’s assertive but wearable. Rugged in spirit, it’s crafted in stainless steel and sits atop a matching steel bracelet with a one-push tri-fold clasp. Its weight (around 161g) gives it a satisfying heft on the wrist, rooted in substance. The dial is capped with a Hardlex crystal (with a lens over the date) that helps maintain clarity while resisting everyday wear.

Inside and out, SBSC001 is built for real life. Water resistance of 10 bar (100 meters) means it can handle rain, showers, poolside dips, or spontaneous adventures without worry. Anti-magnetic properties offer additional protection in our tech-dense world. The GMT bezel rotates bi-directionally, enabling fast adjustments of the second time zone with ease.

On the wrist, the SBSC001 feels confident. The brushed surfaces catch light softly, while polished bevels add subtle flashes. The interplay of surfaces gives it depth — viewed at angles, the watch reveals layers. The GMT hand softly pulses red or blue (depending on variant), making the second time zone discrete yet visible when you need it.

This is more than just another watch in a crowd. SBSC001 is for someone who values heritage with purpose, who loves design that carries function, who travels or dreams of places across time zones. It’s a mechanical companion you can trust everyday — in the skies, at the office, in the rain — yet one that looks smart enough to anchor business casual and dynamic enough for weekend escape.

• 5 Sports GMT SKX-Style Black
• 24-hour / GMT hand for tracking second time zone
• Hardlex (Seiko’s hardened mineral glass) with cyclops (date magnifier)
• 100 meters
• Caliber 4R34, automatic with manual winding