Seiko Astron - SSH021J1

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Other Details
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Water Resistance10 bar
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Case Size
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Thickness: 13.3㎜ Diameter: 42.7 ㎜ Length: 50㎜
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Other Specifications
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Clasp with Smart Adjuster functionScrew case back
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Other Features
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Automatic hand position alignment function
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Day display DST (Daylight Saving Time)Dual-time function
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Function to prevent the GPS signal reception
(in-flight mode)
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GPS signal reception function (Time zone adjustment, automatic time adjustment, manual time adjustment)
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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 transfer function (Switching between the main-dial and sub-dial)
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World time function (39 time zones)
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Movement
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Caliber Number 5X53
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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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Stainless steel (super hard coating)
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Crystal
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Dual-curved sapphire
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Crystal Coating
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Super-clear coating
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LumiBrite
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Lumibrite on hands and indexs
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Clasp
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Three-fold clasp with push button release