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A Spring Drive diver’s watch designed for maximum legibility and security
Wrist Size
This watch is only able to be purchased in-store
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  • Caliber no.
  • Movement Type
    Spring Drive
  • Power Reserve
    Approx. 72 hours (3 days)
  • Accuracy
    ±15 seconds per month (±1 second per day)
  • Case Material
    Stainless Steel
  • Glass Material
    Sapphire crystal
  • Glass Coating
    Anti-reflective coating on inner surface
  • Lumi Brite
    LumiBrite on hands, index(es) and bezel
  • Case size
    Diameter 44.2 mm
  • Band Material
    Stainless Steel
  • The Perimeter of Band
    195 mm
  • Clasp Type
    Three-fold clasp with secure lock & push button release, solid & slide adjuster
Other Detail
  • Water Resistance
    200m / 660ft diver's
  • Magnetic Resistance
  • Weight
    201.0 g
  • Other Specifications
    Power Reserve display
    Screw case back
    Screw-down crown
    Stop seconds hand function
    Unidirectional rotating bezel
  • Jewels
  • The period of the Grand Seiko worldwide guarantee is five years from the date of purchase.

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