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GMT and sports. A perfect combination.
Wrist Size
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  • Caliber no.
  • Movement Type
    Automatic with manual winding
  • Power Reserve
    Approx. 72 hours (3 days)
  • Accuracy
    +5 to -3 seconds per day (mean daily rate)
  • Case Material
    Stainless Steel
  • Glass Material
    Dual-curved sapphire crystal
  • Glass Coating
    Anti-reflective coating on inner surface
  • Lumi Brite
    Lumibrite on hands and index(es)
  • Case size
    Diameter 40.5 mm
    Thickness 14.4 mm
    Lug-to-lug 48.6 mm
  • Band Material
    Stainless Steel
  • The Perimeter of Band
    192 mm
  • Clasp Type
    Three-fold clasp with push button release
Other Detail
  • Water Resistance
    20 bar
  • Magnetic Resistance
  • Weight
    180.0 g
  • Other Specifications
    24-hour hand (dual time display function)
    Calendar-linked time difference adjustment function
    Date Display
    Screw-down crown
    See-through case back
    Stop seconds hand function
  • Jewels
  • The period of the Grand Seiko worldwide guarantee is five years from the date of purchase.

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