Grand Seiko Sport GMT SBGN021G

Grand Seiko Sport GMT SBGN021G

This quartz GMT creation combines form and function deliver the precision, durability and ease of use that are the hallmarks of Grand Seiko. The muscular steel case has a ceramic bezel whose hardness protects it from scratches and ensures its lasting beauty.


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 indexes
Case size : Diameter 40mm × Thickness 13.1mm
The perimeter of Band : 203mm
Clasp type : Three-fold clasp with push button release


Caliber no. : 9F86    
Movement Type : Quartz
Accuracy : ±10 seconds per year


Water resistance : 20 bar
Magnetic resistance : Reinforced magnetic resistance equipped
Weight : 170.0 g
Other details / Features :
  • 24-hour hand (dual time display function)
  • Calendar-linked time difference adjustment function
  • Case back with lion emblem
  • Date display
  • Screw case back
  • Screw-down crown