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Seiko Prospex Alpinist Watch SPB155

Sale price$725.00

1959 Sport Watch Reinterpretation. Designed for those who treat life as the ultimate adventure, the Seiko Prospex line meets every challenge with technological excellence and style. Part of a rich legacy of innovation in high-intensity timekeeping, Prospex continues to celebrate over 60 years of sports watch excellence with recreations and reinterpretations of landmark achievements. A modern reimagining of Seiko's first sport watch, introduced in 1959, this distinctive timepiece follows a highly successful Spring 2019 limited edition and more recent additions to the line. With a smaller case to fit contemporary tastes while evoking a vintage feel, this versatile watch features a gradated green dial with date calendar and LumiBrite hands and markers, as well as a curved anti-reflective sapphire crystal. The 24-jewel automatic movement beats at a frequency of 21,600 vibrations per hour, with a power reserve of approximately 70 hours, and can be wound manually or automatically. Crafted of stainless steel, with screwdown crown, see-through caseback, and secure tri-fold push button release clasp. 20 bar, 200M Water Resistant

Technical Data

  • Model: SPB155
  • Collection: Prospex
  • Gender: Men's
  • Dial Color: Green
  • Strap Material: Stainless Steel
  • Strap Detail: Stainless steel bracelet
  • Lug Width (mm): 20
  • Movement: Automatic
  • Caliber: 6R35
  • Movement Detail:
    Caliber 6R35
    21,600 vibrations per hour
    24 jewels
    Power reserve: approximately 70 hours
  • Case Material: Stainless steel case
  • Case Diameter (mm): 38
  • Case Thickness (mm): 12.9
  • Case Length (mm): 46
  • Crystal Type: Curved sapphire crystal with anti-reflective coating on the inner surface
  • Water Resistance: 20 bar, 200 meters (660 feet)
  • Features


    1959 Sport Watch Reinterpretation
    Manual and automatic winding capabilities
    Gradated green dial
    Date calendar
    LumiBrite hands and markers
    Screwdown crown and see-through caseback
    Tri-fold push button release clasp

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