Seiko Prospex The 1970’s Diver’s Modern Re-interpretations: Five years after the introduction of Seiko’s, and Japan’s, first diver’s watch in 1965, Seiko introduced a watch that was as instantly memorable as it was supremely functional. 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. The watch proved its reliability in extreme conditions when it was 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.
2021 marks the 80th anniversary of Naomi Uemura’s birth, and today, a modern re-interpretation of this much-respected diver’s watch commemorates the adventurer’s life and his exceptional achievements.
A faithful re-creation upgraded to the standards of today’s Prospex
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 that only those who, like him, have been to the roof of the world can see. 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.
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.
This watch will be available as a limited edition of 1,200 at the Seiko Boutiques and selected retailers worldwide in July 2021.
A new addition to the Prospex collection
In addition to the limited edition that commemorates the 80th anniversary of Naomi Uemura’s birth, a grey dialed version joins the Prospex collection. The watch shares the same textured pattern dial as the limited edition but is in a charcoal grey colour 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.
Naomi Uemura. The spirit of Prospex.
Born in 1941, Naomi Uemura was a university student when he took on the challenge of his first mountain climb. By the age of 29, he had climbed Mt. Kilimanjaro, Mont Blanc and the Matterhorn. In 1970, he became the first Japanese mountaineer to reach the summit of Mt Everest. Just three months later, he reached the top of Denali in Alaska (then known as Mt. McKinley) and thus became the first adventurer in the world to reach the tallest peaks on all five continents. In the winter of 1984, he succeeded in climbing Denali in winter but disappeared forever on the descent. Famed for his modesty as much as his achievements, Uemura was given the National Honor award shortly after his disappearance.
The five continent solo climbs by Naomi Uemura
July 1966 – Mont Blanc, Europe (4,807m)
October 1966 – Kilimanjaro, Africa (5,895m)
February 1968 – Aconcagua, South America (6,960m)
May 1970 – Mount Everest, Asia (8,848m)
August 1970 – Denali, North America (6,194m)
Seiko Prospex The 1970’s Diver’s Modern Re-interpretations Technical Specifications
Seiko Prospex The Naomi Uemura 80th Anniversary Limited Edition: SLA049
Seiko Prospex The 1970’s Diver’s Modern Re-interpretation: SLA051
- Calibre 8L35
- Driving system: Automatic
- Vibrations: 28,800 vibrations per hour (8 beats per second)
- Power reserve: 50 hours
- Number of jewels: 26
- 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)
- €3,000 (SLA051)
Limited edition of 1,200 (SLA049)
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