Drive system Spring Drive
Caliber No. 9R65
Case High-intensity titanium
Case back See-through screw case back with sapphire crystal
Glass High definition dual-curved sapphire crystal with anti-reflective coating
Bracelet Solid high-intensity titanium and solid titanium
Buckle High-intensity titanium and titanium with three-fold clasp with push button release
Accuracy ±1 second / day
Water resistance 10 bar
Magnetic resistance 4800 A/m (60 gauss)
Weight 100g
Case thickness 12.5mm
Case diameter 41.0mm
Jewels 30
Remarks
Blue-steel second hand
Screw crown

GRAND Seiko Spring Drive Power Reserve SBGA011

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