Grand Seiko SBGA405
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GRAND SEIKO SBGA405
Grand Seiko SBGA405 Specifications
Exterior
Case MaterialHigh-intensity titanium
Glass MaterialDual-curved sapphire
Glass CoatingAnti-reflective coating on inner surface
Lumi BriteLumibrite on hands, indexes and bezel
Case sizeDiameter 44.5 mm × Thickness 14.3 mm
Band materialShark
Clasp typeThree-fold clasp with push button release
 
Movement
Movement9R15 Instructions
Driving systemSpring Drive
Power reserveApproximately 72 hours (3 days)
Accuracy+0.5 second per day (±10 seconds per month)
 
Functions / Specifications
Water resistance20 bar
Magnetic resistanceEquipped
Weight90 g
Remarks
  • 30 jewels
  • Power reserve display
  • Screw case back
  • Screw-down crown
  • See-through case back
  • Serial number engraved on the case back
  • Stop second hand function
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