SBGM247

GMT and sports. A perfect combination.
SBGM247
Specifications
Calibre
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Caliber no.9S66
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Movement TypeAutomatic with manual winding
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Power ReserveApprox. 72 hours (3 days)
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Accuracy+5 to -3 seconds per day (mean daily rate)
Exterior
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Case MaterialStainless Steel
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Glass MaterialDual-curved sapphire crystal
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Glass CoatingAnti-reflective coating on inner surface
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Lumi BriteLumibrite on hands and index(es)
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Case sizeDiameter 40.5 mmThickness 14.4 mmLug-to-lug 48.6 mm
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Band MaterialStainless Steel
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The Perimeter of Band192 mm
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Clasp TypeThree-fold clasp with push button release
Other Detail
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Water Resistance20 bar
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Magnetic ResistanceEquipped
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Weight180.0 g
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Other Specifications24-hour hand (dual time display function)Calendar-linked time difference adjustment functionDate DisplayScrew-down crownSee-through case backStop seconds hand function
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Jewels35
Features
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The period of the Grand Seiko worldwide guarantee is five years from the date of purchase.