Quartz GMT SBGN021G

This Grand Seiko Sports watch has been created with high specifications to be robust and reliable enough for sportswear, but ideal for every day. Combining form and function: highly resistant to shock and perfected for active wear with a 200m water resistance. Featuring a ceramic bezel, it is powered by the highly accurate 9F86 quartz movement in which every single quartz crystal has been grown in-house and tested over three months. Only the best performing crystals are selected for a Grand Seiko. Grand Seiko: beautifully, precise Japanese watchmaking, from the pinnacle of Seiko Watch Corporation’s in-house manufacture. Every Grand Seiko features signature high standards of Japanese precision, durability and legibility, handcrafted by Takumi artisans.

Exterior
Case Material : Stainless steel with ceramic bezel
Glass Material : Sapphire crystal
Glass Coating : Anti-reflective coating on inner surface
LumiBrite : LumiBrite on hands and index(es)
Case size : Diameter 40mm Lug-to-lug 46.8mm Thickness 13.1mm
The perimeter of Band : 203mm
Clasp type : Three-fold clasp with push button release

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

Functions
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