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SBGM257

Automatic Mechanical GMT
SBGM257
HK$39,800
For stock inquiries, please check with the store.
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Specifications

Calibre
  • Caliber no.
    9S66
  • Movement Type
    Automatic with manual winding
  • Power Reserve
    Approx. 72 hours (3 days)
  • Accuracy
    +5 to -3 seconds per day (Mean daily rate) / +10 to -1 seconds per day (Normal usage accuracy)
Exterior
  • Case Material
    Stainless steel, Caseback: Stainless steel and sapphire crystal
  • Glass Material
    Box shaped sapphire crystal
  • Glass Coating
    Anti-reflective coating on inner surface
  • Case size
    Diameter 39.5 mm
    Thickness 14.1mm
  • Band Material
    Crocodile Leather
  • Clasp Type
    Three-fold clasp with push button release
Other Detail
  • Water Resistance
    Splash Resistant
  • Magnetic Resistance
    4,800 A/m
  • Other Specifications
    24-hour hand (dual time display function)
    Calendar-linked time difference adjustment function
  • Jewels
    35
Features
  • The period of the Grand Seiko worldwide guarantee is five years from the date of purchase.

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