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Seiko Prospex 1965 Heritage Diver’s Automatic Blue Dial Silver Steel Strap Watch for Men - SPB451J1
The Seiko Prospex SPB451J1 honors the legacy of Seiko's iconic 1965 diver's watch with modern precision and reliability. This automatic timepiece features a striking blue dial that captures the essence of the ocean, paired with a robust stainless steel bracelet built for durability and everyday wear. Engineered for water resistance up to 300 meters, this heritage diver combines vintage aesthetics with contemporary watchmaking. The reliable automatic movement, luminous hands, and unidirectional rotating bezel ensure functionality whether you're exploring underwater or navigating daily adventures. A true collector's piece that bridges classic design with modern performance.
This piece is a re-interpretation of Japan’s – and Seiko’s – first ever Diver’s watch, released in 1965.
The original automatic 1965 Diver’s watch marked the beginning of Seiko’s watchmaking pursuit for diving reliability, safety, and professional specifications. From 1966-1969, this watch was worn by members of the Japanese Antarctic Research Expedition on trips to the South Pole, proving its durability in challenging environments.
For this latest revival, the design is updated with a more sophisticated specification, heightened water resistance, and improved power reserve. Built in a 40mm stainless steel case, the sapphire crystal glass is surrounded by a deep ‘scuba’ blue bezel and matching dial. In line with professional ISO Diving specification, the hands and indices are coated in glow-in-the-dark Lumibrite whilst its upright date calendar in a 4.5 o’clock position also add to its legibility. For extra comfort and wearability, the bracelet has updated short pitch links and a shorter buckle. It is also slimmer than previous models, with a 13mm depth.
The in-house built 6R55 automatic movement is accurate to -15/+25 seconds per day with a 72-hour power reserve and 300m water resistance.
Prospex is a combination of the words ‘Professional’ and ‘Specifications.’ Seiko Prospex timepieces are designed to be practical, reliable and durable; to meet the high standards required in extreme environments for sports lovers and adventure seekers alike.
Accuracy:-15/+25 seconds per day
Calibre: 6R55
Power Reserve: 72 Hours
Jewels: 24
LumiBrite: Lumibrite on hands, indexes and bezel
Lug Width: 20.0mm
Crystal Coating: Anti-reflective coating on inner surface
Other Specifications: Screw case back, Screw-down crown, Unidirectional rotating bezel, Three-fold clasp with secure lock
Watch Function:Stop seconds hand function
Magnetic Resistance: 4,800 A/m
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