GRAND SEIKO

SBGA463G

Grand Seiko Sport Spring Drive Watch SBGA463G

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Grand Seiko Sport Spring Drive Watch SBGA463G
The Spring Drive 200m Diver’s watch has long been appreciated for its precision and robustness. This version features a case made of high-intensity titanium which is lighter than stainless steel and more resistant to scratches. To ensure that the time can be read easily and without error at a glance, there are 60 distinct markings as well as five numerals on the bezel. Each hand is different in design and stands out clearly from the dial. 
Exterior
Exterior: High-intensity titanium
Case back: Screw case back
Glass Material: Sapphire crystal
Glass Coating: Anti-reflective coating on inner surface
LumiBrite: LumiBrite on hands, index(es) and bezel
Case size: Diameter 44.2mm Lug-to-lug 51.0mm Thickness 14.0mm
Band width: 22mm
Clasp type: Three-fold clasp with secure lock & push button release, solid & slide adjuster
The perimeter of Band: 195mm
Movement
Caliber no.: 9R65 
Movement Type: Spring Drive
Power reserve: Approx. 72 hours(3 days)
Accuracy: ±15 seconds per month (±1 second per day)
Functions
Magnetic resistance: 4,800 A/m
Other details / Features:
  • Unidirectional rotating bezel
  • Screw-down crown
  • Three-fold clasp with secure lock
  • 30 jewels
  • Power reserve indicator

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