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  • Prospex Speedtimer Mechanical Chronograph

    SRQ037

    Designed for those who treat life as the ultimate adventure, the Seiko Prospex line meets every challenge with technological excellence and style. Celebrating Seiko first precision chronographs, developed for international sporting competitions in 1964, as well as its 1969 introduction of the world first automatic chronograph

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    • Prospex Speedtimer Mechanical Chronograph
    • Celebrates Seikofirst precision chronographs, developed for international sporting competitions in 1964, as well as its 1969 introduction of the worldfirst automatic chronograph
    • Automatic with manual winding capability
    • Chronograph measurement of up to 30 minutes of elapsed time in 1/8-second increments
    • Proprietary 8R46 movement includes a column wheel and vertical clutch mechanism allowing for smooth, stutter-free movement of the chronograph hand while providing longer wear and efficiency, and maintaining the power reserve better during chronograph operation
    • Charcoal gray dial with beige LumiBrite hands and markers
    • Screwdown see-through caseback
    • Tri-fold push button release clasp
    • Case Dimensions:

      Thickness: 15.1mm
      Diameter: 42.5mm
      Length: 50.0mm

    • Crystal Material:

      Dual-curved sapphire crystal with anti-reflective coating on the inner surface

    • Dial Color:

      Gray

    • Strap:

      Stainless steel bracelet with super-hard coating

    • Water Resistance:

      10 bar. 100 meters (330 feet)

    • Technology:

      Automatic Chronograph

    • Movement:

      28,800 vibrations per hour
      34 jewels
      Power reserve: approximately 45 hours

    • Caliber Number:

      8R46

    • Booklet:

      JSY8R4C1

    The Prospex Collection