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  • Seiko ASTRON SSJ003J1

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    Seiko ASTRON SSJ003J1

    Blue dial with a date window at the 3 o'clock position. Blue ceramic bezel set on a 39 mm stainless steel case. Sapphire crystal on top and a solid case-back. Water resistant to 100M. Stainless steel bracelet with a triple-fodling deployment clasp.

    Movement

    Caliber Number 3X22
    Movement Type GPS solar
    Precision ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C )
    Jewels 8
    Functions
    • Overcharge prevention function
    • Power save function
    • Perpetual calendar to the February 28, 2100
    • GPS signal reception function (Time zone adjustment, automatic time adjustment, manual time adjustment)
    • Reception result display function
    • Function to prevent the GPS signal reception (in-flight mode)
    • Automatic hand position alignment function

    Case/Band

    Case Material Stainless steel (super hard coating) with ceramic bezel
    Case Size
    • Thickness: 11.0mm
    • Diameter: 39.0mm
    • Lug-to-lug: 46.2mm
    Crystal Sapphire crystal
    Crystal Coating Super-clear coating
    LumiBrite Lumibrite on hands and index(es)
    Clasp Three-fold clasp with push button release
    Distance between lugs 21mm

    Other Details

    Water Resistance 10 bar
    Weight 144.0g
    Features
    • Screw case back
    • Clasp with Smart Adjuster function