Seiko Has Unveiled Prospex Save the Ocean Watch
The HBF003J1 limited edition diver timepiece features a mangrove-inspired sunburst dial and robust specs.
Updated on Oct. 8, 2026 in Aquariums
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Seiko announced the release of the Prospex Marinemaster Save the Ocean Limited Edition HBF003J1 watch. This new model will be available for purchase globally starting in November 2026.
Why it matters
The release adds a new design to the specialized dive watch collection with aesthetic elements inspired by mangrove forests. The watch offers high-performance specifications suitable for professional underwater use.
The HBF003J1 retails for £3,300, €3,800, or ¥506,000. It features a 42.6mm stainless steel case, 300-meter water resistance, and an automatic Caliber 8L45 movement.
The players
Seiko
Seiko is a Japanese watchmaker known for producing a wide range of timepieces, including high-end mechanical dive watches and accessible consumer models.
The details
The watch features a distinctive green dial with a sunburst effect intended to mimic mangrove forest colors. It is built with a black ceramic bezel and a scratch-resistant sapphire crystal to ensure durability in aquatic environments.
Timeline
The previous HBC001 model arrived in April 2026.
The HBF003J1 watch launches for public sale in November 2026.
Roadmap
This release continues the shift toward lifestyle-oriented aesthetic themes within technical, high-performance professional dive watch lines. It positions Seiko to compete for collectors who value both deep-sea technical reliability and nature-inspired design narratives.
Collectors will need to budget for the retail price of £3,300, €3,800, or ¥506,000 when the watch becomes available in November. Prospective buyers should contact authorized dealers early due to the limited global production run of 9,000 pieces.
The takeaway
Collectors should prioritize the November 2026 launch window if they intend to purchase one of the 9,000 limited edition pieces. This watch balances professional-grade diving capabilities with design choices that appeal to those interested in ocean preservation themes.
Further reading
Learn more about the intersection of marine life and technical equipment in our Aquariums section.
Source note: This article includes information reported by Notebookcheck.
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