Seiko Prospex The Naomi Uemura 80th Anniversary Limited Edition

Japanese watchmaker Seiko presents the Naomi Uemura 80th Anniversary Limited Edition watch, a re-interpretation of the Seiko 1970 diver’s watch worn by the Japanese adventurer, Naomi Uemura, in the years 1974 to 1976 when he completed a 12,500km solo dog-sled run from Greenland to Alaska.

This 1970 diver’s watch had a flowing case design with an asymmetrical extension that protected the crown at the four o’clock position. With its solid construction, 150 meter water resistance, luminous hands and indexes, it was perfect for those who required a timepiece with exceptional strength and visibility.

2021 marks the 80th anniversary of Naomi Uemura’s birth. To mark this event, Seiko created a modern re-interpretation of this much-respected diver’s watch commemorates the adventurer’s life and his exceptional achievements.

This commemorative watch echoes the design of the 1970 original but is thoroughly modern in execution. The patterned dial evokes the mountainous terrain that Uemura so loved, and the dial and bezel are in the blue tones of the earth’s upper atmospheric layers. Uemura was the first person in the world to reach the summits of the highest mountains on all five continents.

The case sides are carefully polished and the watch is presented on a five row steel bracelet to create a modern sharp profile. Thanks to the positioning of the calendar between four and five o’clock, all twelve hour markers have a generous coating of Lumibrite, as do the hands, to maximise legibility in the dark.

The curved extension of the case fully protects the screw-down crown. This Uemura inspired timepiece is powered by Caliber 8L35, which was designed especially for diver’s watches by the watchmakers at the Shizukuishi Watch Studio in northern Japan. The case has a super-hard coating to protect the watch from scratches and the crystal is a dual curved sapphire with anti-reflective coating on the inner surface to ensure high legibility from every angle.

The watch has enhanced water resistance to 200 meters. An alternative silicone strap that has the same train track pattern as the original is also offered. The case back is engraved with Uemura’s name and carries the individual watch’s serial number.

This watch will be available as a limited edition of 1,200 at the Seiko Boutiques and selected retailers worldwide in July 2021.

In addition to the limited edition that commemorates the 80th anniversary of Naomi Uemura’s birth, a gray dialed version joins the Prospex collection. The watch shares the same textured pattern dial as the limited edition but is in a charcoal gray color that is similar to the 1970 original.

It shares the same case design, features and specifications as the commemorative watch and will also be available at the Seiko Boutiques and selected retail partners worldwide in July 2021.

Technical details

Series: Seiko Prospex The 1970’s Diver’s Modern Re-interpretations


  • Seiko Prospex The Naomi Uemura 80th Anniversary Limited Edition: SLA049
  • Seiko Prospex The 1970’s Diver’s Modern Re-interpretation: SLA051

Caliber 8L35
Driving system: Automatic
Vibrations: 28,800 vibrations per hour (8 beats per second)
Power reserve: 50 hours
Number of jewels: 26

Case and bracelet
Stainless steel case and bracelet with super-hard coating
Curved sapphire crystal with anti-reflective coating
Screw case back. Screw-down crown
Water resistance: 200m diver’s
Magnetic resistance: 4,800 A/m
Diameter: 44.0mm, Thickness: 13.0mm
Three-fold clasp with push button release, secure lock and extender Silicone strap included (SLA049)

Approximate recommended retail prices in Europe: €3,200 (SLA049) and €3,000 (SLA051)

Limited edition of 1,200 pieces (SLA049)