Seiko Prospex Alpinist GMT Black Dial Leather Strap Men's Watch SPB379

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Seiko Prospex

Reference: SPB379

 

Prospex Alpinist Mechanical GMT. 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 a long history of sports watch excellence with re-creations and re-interpretations of landmark achievements. Inspired by Seiko’s first sports watch, the 1959 Alpinist, this rugged, yet stylish, watch features the iconic wedge-shaped markers, bold numerals and stylized hands of the original, along with 24-hour GMT timing. An upgraded curved sapphire crystal with anti-reflective inner coating adds reliable visibility, while the inner rotating compass bezel makes it ideal for hiking and outdoor activities. Framed by a 24-hour GMT bezel, the classic black dial includes a date calendar, LumiBrite hands and markers, and a red-tipped GMT hand. The 24-jewel automatic movement, visible through the see-through screwdown caseback, beats at a frequency of 21,600 vibrations per hour and offers an exceptional power reserve of 72 hours, as well as manual winding capability. Crafted of stainless steel with durable super-hard coating and a secure screwdown crown, this superb timepiece also features a black leather strap with tri-fold push button release clasp. 20 bar, 200M Water Resistant

 

Brand: Seiko

Collection: Prospex

Gender: Men's

Case Size

  • Thickness: 13.6 mm
  • Diameter: 39.5 mm
  • Lug-to-lug: 46.4 mm

Case Material: Stainless steel (super hard coating)

Dial: Black dial

LumiBrite: LumiBrite on hands and index(es)

Crystal: Curved sapphire crystal

Crystal Coating: Anti-reflective coating on inner surface

Water Resistance: 20 bar, 200 meters (660 feet)

Band Material: Black leather strap

Clasp: Three-fold clasp with push button release

Distance between lugs: 20

Movement

  • Caliber Number: 6R54
  • Movement Type: Automatic with manual winding
  • Precision: +25 to -15 seconds per day
  • Power reserve: Approx. 72 hours (3 days)
  • Jewels: 24
  • Automatic GMT
  • Functions
    • 24-hour hand (dual time display function)
    • Stop second hand function

Features

  • Prospex Alpinist Mechanical GMT
  • Inspired by Seiko’s first sports watch, the 1959 Alpinist
  • Automatic GMT with manual winding capability
  • 24-hour GMT bezel
  • Black dial with iconic wedge-shaped markers and stylized numerals and hands
  • Rotating inner compass bezel
  • Red-tipped GMT hand
  • Date calendar
  • LumiBrite hands and markers
  • Screwdown crown and see-through caseback
  • Tri-fold push button release clasp