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Strength, precision and perfect legibility.
Wrist Size
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  • Caliber no.
  • Movement Type
  • Accuracy
    ±10 seconds per year
  • Case Material
    Stainless steel with ceramic bezel
  • Glass Material
    Sapphire crystal
  • Glass Coating
    Anti-reflective coating on inner surface
  • Lumi Brite
    Lumibrite on hands and index(es)
  • Case size
    Diameter 40 mm
    Thickness 13.1 mm
    Lug-to-lug 46.8 mm
  • Band Material
    Stainless Steel
  • The Perimeter of Band
    203 mm
  • Clasp Type
    Three-fold clasp with push button release
Other Detail
  • Water Resistance
    20 bar
  • Magnetic Resistance
    Reinforced magnetic resistance equipped
  • Weight
    170.0 g
  • Other Specifications
    24-hour hand (dual time display function)
    Calendar-linked time difference adjustment function
    Case back with lion emblem
    Date Display
    Magnetic resistance:16,000A/m
    Screw case back
    Screw-down crown
  • The period of the Grand Seiko worldwide guarantee is five years from the date of purchase.

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