Grand Seiko - SBGA373G

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Exterior
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Case Material : Stainless steel
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Glass Material : Dual
curved sapphire
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Glass Coating :
Anti
reflective coating on inner surface
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Case size :
Diameter 40mm
× Thickness 12.5mm
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The perimeter of Band : 197mm
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Clasp type : Three
fold clasp
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Movement
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Caliber no. : 9R65
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Movement Type : Spring Drive
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Power reserve : Approx. 72 hours(3 days)
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Accuracy :
±
1 second per day / 15 seconds per month
(
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Functions
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Water resistance : 10 bar
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Magnetic resistance : Equipped
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Weight : 148.0 g
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Other details / Features :
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30 jewels
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Case back with lion emblem
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Date display
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Power reserve display
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Screw case back
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Screw down crown
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See through case back
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Stop second hand function