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  • Seiko Prospex Speedtimer SPB515J1

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    Seiko Prospex Speedtimer SPB515J1.

    Specifications

    Movement

    Caliber Number
    6R55
    Movement Type
    Automatic with manual winding
    Precision
    +25 to -15 seconds per day
    Power reserve
    Approx. 72 hours(3 days)
    Jewels
    24
    Functions
    • Stop second hand function

    Case/Band

    Case Material
    Stainless steel (super hard coating)
    Case Size
    Thickness: 12.0mm 
    Diameter: 39.5mm 
    Lug-to-lug: 44.5mm
    Crystal
    Curved sapphire crystal
    Crystal Coating
    Anti-reflective coating on inner surface
    LumiBrite
    LumiBrite on hands, index(es) and bezel
    Clasp
    Three-fold clasp with push button release
    Bracelet Length
    197.0
    Distance between lugs
    20

    Other Details

    Water Resistance
    300m / 1000ft diver's
    Magnetic Resistance
    4,800 A/m
    Weight
    154.0g
    Features
    • Screw case back