Seiko SBSC001 Automatic Men's Watch

The Seiko 5 Sports GMT SBSC001 (also known as SSK001) marks the brand’s bold entry into mechanical GMTs within the affordable Seiko 5 line. Featuring the reliable 4R34 automatic caliber, it delivers around 41 hours of power reserve, hacking, manual winding, and an independent 24‑hour GMT hand. The watch’s 42.5 mm stainless-steel case—a refined evolution of the iconic SKX shape—houses a glossy bi-color Hardlex 24‑hour bezel (black/grey on the black-dial variant) and a Hardlex crystal with a cyclops over the date. Its high-contrast black dial includes generous LumiBrite on the hands, indices, and a vivid red GMT arrow tip, ensuring legibility in any light. A five-link jubilee-style bracelet—available in full-brushed (JDM SBSC001) or mixed polished center links (SSK001 international)—adds SKX-style flair and comfort. Rated to 100 m water resistance, with a screw-down exhibition back, this GMT offers impressive value: enthusiasts call it a “well-crafted watch for its price” and praise its unexpectedly high QC for the Seiko 5 range. In short, the SBSC001 blends classic Seiko design DNA, travel-oriented GMT functionality, and solid performance—making it a standout in the sub‑$500 GMT category

• Movement: Caliber: Seiko 4R34 (automatic with manual winding)
• Jewels: 24
• Frequency: 21,600 vibrations/hour (3 Hz)
• Power Reserve: Approx. 41 hours
• Functions: Hour, minute, central seconds
• 24-hour GMT hand (independent adjustment)
• Date display at 3 o’clock
• Hacking and manual winding support
• Case: Material: Stainless steel
• Diameter: 42.5 mm
• Thickness: 13.6 mm
• Lug-to-lug: 46 mm
• Bezel:
• Bi-color 24-hour (black/grey “Batman” style)
• Material: Hardlex insert
• Friction bidirectional rotation
• Crystal: Hardlex, with cyclops over date
• Caseback: Screw-down, exhibition (see-through)
• Crown: Push/pull at 4 o’clock
• Dial: Color: Glossy black
• Markers: Applied indices with LumiBrite
• Hands: Lumed, silver-tone, red-tipped GMT hand
• Bracelet: Type: Jubilee-style, 5-link stainless steel
• Finish: Brushed (JDM SBSC001); Brushed + polished (SSK001)
• Clasp: Folding with safety lock
• Lug Width: 22 mm
• Water Resistance:
• 100 meters (10 bar)
• Origin: Made in Japan
• Warranty: 1 Year

Additional Information

• Brands: Seiko
• Band Color: Silver
• Color of the dial: black
• Features: Date, Day
• Gender: Men
• Size: 42mm
• Water Resistant: 100M