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Seiko 5 Sports SKX Mid-Size - SRPL77

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Regular price $350.00
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Seiko 5 Sports SKX Mid-Size - SRPL77

Vintage at heart and neatly proportioned, the Seiko 5 Sports SKX Mid-Size (ref. SRPL77) is a proud take on the SKX that keeps the 38mm diameter of the original models while slimming the case for a sleeker profile. Its navy blue dial and coordinating blue unidirectional bezel, marked for elapsed timing, take their styling and colors from the quartz diver's watches of the 1980s. Luminous hands and markers stay readable when the lights go down, and a day/date calendar keeps your schedule in view.

Seiko's caliber 4R36 automatic movement beats at 21,600 vibrations per hour with 24 jewels and offers approximately 41 hours of power reserve, plus manual winding, all on view through the screw-down see-through case back. The stainless steel case measures just 12.1mm thick under a Hardlex crystal and is water resistant to 100 meters. A three-row sport bracelet, built to be durable and comfortable alike, closes with a locking three-fold push-button clasp.

Features

  • Mid-size 38mm case – the 38mm diameter of the originals, in a slimmer case.
  • Navy blue dial – with luminous hands and markers and a day/date calendar.
  • Elapsed timing bezel – a coordinating blue unidirectional rotating bezel.
  • Caliber 4R36 automatic – 24 jewels and approximately 41 hours of power reserve, with manual winding.
  • Three-row sport bracelet – durable and comfortable, with a locking three-fold push-button clasp.

Specifications

  • Reference: SRPL77
  • Collection: Seiko 5 Sports SKX series (Mid-Size)
  • Gender: Men's
  • Caliber Number: 4R36
  • Movement Type: Automatic with manual winding
  • Vibrations: 21,600 vibrations per hour
  • Power Reserve: Approx. 41 hours
  • Jewels: 24
  • Functions: Stop second hand function, day/date display
  • Case Material: Stainless steel
  • Diameter: 38.0 mm
  • Thickness: 12.1 mm
  • Lug-to-Lug: 44.2 mm
  • Dial Color: Blue (navy blue)
  • Crystal: Hardlex
  • LumiBrite: LumiBrite on hands and index(es)
  • Band: Stainless steel three-row bracelet
  • Clasp: Three-fold clasp with secure lock, push button release
  • Bracelet Length: 205.0 mm
  • Distance Between Lugs: 20 mm
  • Water Resistance: 10 bar, 100 meters (330 feet)
  • Magnetic Resistance: 4,800 A/m
  • Weight: 140.0 g
  • Features: Unidirectional rotating elapsed timing bezel (blue), see-through and screw case back

Timepiece History

Seiko's story began in 1881, when a 21-year-old entrepreneur, Kintaro Hattori, opened a shop selling and repairing watches and clocks in central Tokyo. The first watch to carry the Seiko name followed in 1924, and Seiko went on to introduce a long line of watchmaking firsts, including the Quartz Astron, the world's first quartz wristwatch, on December 25, 1969. In 2024, Seiko celebrated the 100th anniversary of the Seiko brand.

The SRPL77 belongs to Seiko 5 Sports, a collection rooted in the Seiko Sportsmatic 5 of 1963, Japan's first automatic day-date watch. Seiko 5 Sports itself was born in 1968, adding enhanced water resistance, a strengthened crystal and luminous hands and markers to the Seiko 5 essentials of an automatic movement, a day-date display, water resistance, a recessed crown and a durable case and bracelet, and it found worldwide favor as a go-anywhere watch. In 2019, Seiko 5 Sports was rebranded to carry watch culture forward to the next generation. Its design follows the SKX series, the successor to the watch widely known as the "SKX," a watch loved around the world.

Seiko 5 Sports SKX Mid-Size - SRPL77

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