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Seiko 5 Sports SKX GMT - SSK001

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Regular price $495.00
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Seiko 5 Sports SKX GMT - SSK001

Classic black and ready to cross time zones, the Seiko 5 Sports SKX Sports Style GMT (ref. SSK001) is a proud travel companion whose case and dial take their inspiration from the SKX series, one of Seiko's most-loved sports watches. A bright red GMT hand stands out sharply on the black dial, while the black and gray 24-hour bezel rotates and uses its two colors to split daytime from nighttime hours at a glance. A generous coat of LumiBrite on the hands, indexes and GMT hand keeps a second time zone as easy to read as local time once the lights go down.

Seiko's caliber 4R34 automatic GMT movement beats at 21,600 vibrations per hour with 24 jewels and offers approximately 41 hours of power reserve, with the option to wind it by hand. A Hardlex crystal with a magnifier over the date protects the dial, the bezel's ring indicator is also made of Hardlex, and the screw-down see-through case back shows the movement while helping deliver 100 meters of water resistance. The five-row stainless steel bracelet contrasts polished middle rows with solid outer links and fastens with a three-fold clasp with secure lock and push-button release.

Features

  • Caliber 4R34 automatic GMT – a 24-hour hand tracks a second time zone, with approximately 41 hours of power reserve.
  • Black and gray 24-hour bezel – a rotating two-color bezel that separates day and night hours.
  • Bright red GMT hand – stands out clearly on the black dial, with LumiBrite for low light.
  • Magnified date window – Hardlex crystal with magnified glass for easy date reading.
  • Five-row bracelet – polished middle rows and a three-fold clasp with secure lock.

Specifications

  • Reference: SSK001
  • Collection: Seiko 5 Sports SKX Sports Style GMT series
  • Gender: Men's
  • Caliber Number: 4R34
  • Movement Type: Automatic with manual winding
  • Vibrations: 21,600 vibrations per hour
  • Power Reserve: Approx. 41 hours
  • Jewels: 24
  • Functions: 24-hour hand (dual time display function), stop second hand function, date display
  • Case Material: Stainless steel
  • Diameter: 42.5 mm
  • Thickness: 13.6 mm
  • Lug-to-Lug: 46.0 mm
  • Dial Color: Black
  • Crystal: Hardlex with magnified glass
  • LumiBrite: LumiBrite on hands and index(es)
  • Band: Stainless steel stylized five-row bracelet
  • Clasp: Three-fold clasp with secure lock, push button release
  • Distance Between Lugs: 22 mm
  • Water Resistance: 10 bar, 100 meters (330 feet)
  • Magnetic Resistance: 4,800 A/m
  • Weight: 161.0 g
  • Features: Rotating bezel (24-hour display), see-through and screw case back

Timepiece History

Seiko's story began in 1881, when a 21-year-old entrepreneur, Kintaro Hattori, opened a shop selling and repairing watches and clocks in central Tokyo. The first watch to carry the Seiko name followed in 1924, and Seiko went on to introduce a long line of watchmaking firsts, including the Quartz Astron, the world's first quartz wristwatch, on December 25, 1969. In 2024, Seiko celebrated the 100th anniversary of the Seiko brand.

The SSK001 belongs to Seiko 5 Sports, a collection rooted in the Seiko Sportsmatic 5 of 1963, Japan's first automatic day-date watch. Seiko 5 Sports itself was born in 1968, adding enhanced water resistance, a strengthened crystal and luminous hands and markers to the Seiko 5 essentials of an automatic movement, a day-date display, water resistance, a recessed crown and a durable case and bracelet, and it found worldwide favor as a go-anywhere watch. In 2019, Seiko 5 Sports was rebranded to carry watch culture forward to the next generation. Its design follows the SKX series, the successor to the watch widely known as the "SKX," a watch loved around the world. Seiko later added a GMT function to Seiko 5 Sports for international travelers, and with the rotating bezel it is possible to track three time zones. The SSK001 comes from the debut Seiko 5 Sports series to feature a GMT function, introduced with black, blue and orange dials.

Seiko 5 Sports SKX GMT - SSK001

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