Seiko Astron - SSE170J1

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Movement
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Caliber Number 8X53
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Movement Type GPS solar
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Accuracy
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±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C)
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Duration
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Operating for approx. 6 months (when fully charged), power save: approx. 2 years
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Exterior
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Case Material
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Titanium (super hard coating) with ceramic bezel
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Crystal Sapphire
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Crystal Coating Super-clear coating
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LumiBrite
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Lumibrite on hands and indexs
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Band Material Silicone
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Clasp
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Three-fold clasp with push button release
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Other Details
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Water Resistance 20 bar
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Case Size
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Thickness: 14.5 ㎜Diameter: 46.7 ㎜Length: 51.4 ㎜
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Other Specifications
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Unidirectional rotating bezel
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Other Features
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Automatic hand position alignment function
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Day display Day/Date display
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DST (Daylight Saving Time)
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Dual-time function
Function to prevent the GPS signal reception (in-flight mode)
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Overcharge prevention function
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Perpetual calendar to the February 28, 2100
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Power reserve display
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Power save function
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Reception result display function
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Satellite acquisition status display function
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Time zone adjustment by receiving GPS signals from GPS satellites, automatic time adjustment function
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World time function (40 time zones)