SEIKO - SFK003J1

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Movement
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Caliber Number
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5K65
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Movement Type
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Solar
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Accuracy
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±15 seconds per month
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Duration
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Operating for approx. 10 months (when fully charged)
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Jewels :
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3
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Functions
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Overcharge prevention function
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Quick-start function
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Date display
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24-hour hand (dual time display function)
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Calendar-linked time difference adjustment function
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Magnetic Resistance
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4,800 A/m
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Case/Band
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Case Material
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Stainless steel
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Case Size
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Thickness: 13.2 ㎜Diameter: 45.0 ㎜Lug-to-lug: 51.8 ㎜
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Distance between lugs
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20 mm
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CrystalSapphire crystal
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Crystal CoatingAnti-reflective coating on inner surface
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Clasp
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Three-fold clasp with push button release
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LumiBriteLumiBrite on hands, index(es) and bezel
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Other Details
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Water Resistance
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200m / 660ft diver’s
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Features
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Screw case back
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Unidirectional rotating bezel
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Screw-down crown
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Three-fold clasp with secure lock