Grand Seiko

SBGE248 Sport Collection GMT

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SBGE248 Sport Collection GMT

A Spring Drive GMT that shines in 18k Yellow Gold and Blue

The contrast between the 18k yellow gold of the bezel and the blue of the indicator ring is a new color scheme within the sport collection and a first for Grand Seiko. Inspired by the morning sun floating on the horizon, beneath the sapphire crystal bezel lies a bold expression of blue, delivering a strong sense of transparency, breadth and depth. This timepiece achieves the difficult balance of high performance and elegance.

Equipped with a GMT hand, this watch features Grand Seiko’s unique Spring Drive caliber, which combines the motive force of a mainspring with the high precision of a quartz watch. The second hand movement over the blue dial, further highlights a glide motion that reflects the natural and continuous flow of time itself. 


Case Material : Stainless steel with 18k yellow gold bezel

Glass Material : Dual-curved sapphire crystal

Glass Coating : Anti-reflective coating on inner surface

Lumi Brite : Lumibrite on hands, indexes and bezel

Case size : Diameter 44mm × Thickness 14.7mm

The perimeter of Band : 195mm

Clasp type : Three-fold clasp with push button release


Caliber no. : 9R66 Instructions


Movement Type : Spring Drive

Power reserve : Approx. 72 hours(3 days)

Accuracy : ±1 second per day / ±15 seconds per month (average)


Water resistance : 20 bar

Magnetic resistance : Equipped

Weight : 190.0 g

Other details / Features : 24-hour hand (dual time display function)

  • ・30 jewels
  • ・Calendar-linked time difference adjustment function
  • ・Date display
  • ・Power reserve display
  • ・Rotating bezel (24-hour display)
  • ・Screw case back
  • ・Screw-down crown
  • ・Stop seconds hand function