Grand Seiko SBGA031 and SBGA029 Spring Drive HD
Grand Seiko SBGA031 and SBGA029 Spring Drive Caliber No. 9R65
Case Stainless steel
Bezel Stainless steel and black hard-coated stainless steel
Case back Screw case back
Glass Sapphire crystal with anti-reflective coating
Bracelet Solid stainless steel
Buckle Stainless steel with three-hold clasp with secure lock, push button release and diver adjuster
Accuracy ﾂｱ1 second / day
Water resistance 200 m
Magnetic resistance 4800 A/m (60 gauss)
Weight 201g
Case Stainless steel
Bezel Stainless steel and black hard-coated stainless steel
Case back Screw case back
Glass Sapphire crystal with anti-reflective coating
Bracelet Solid stainless steel
Buckle Stainless steel with three-hold clasp with secure lock, push button release and diver adjuster
Accuracy ﾂｱ1 second / day
Water resistance 200 m
Magnetic resistance 4800 A/m (60 gauss)
Weight 201g
Category
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Creativity