Seiko Revives 'Fifty Five Fathoms' with New White and Green Colorways

Key points

• Seiko releases 'Formal White' and 'Tweed Green' variants of the 5 Sports SKX, referencing the discontinued SNZH 'Fifty Five Fathoms' design.
• Both models feature 42.5mm x 14.2mm stainless steel cases, 100m water resistance, and the automatic Calibre 4R36 movement with hacking and hand-winding capabilities.
• The 'Formal White' version pairs a white sunburst dial with a black bezel and yellow gold accents, while 'Tweed Green' uses a green sunburst dial with a matching bezel and rose gold accents.
• UK pricing is set at £340 (approx. $460), though US pricing is not yet confirmed; the existing black version sells for $400 in the US.
• The watches are scheduled for release in October 2026 and are not currently identified as limited editions.

Background

The original SNZH series, introduced in the 2000s, was discontinued around 2018 but gained a cult following among modders who transformed it into a Blancpain homage known as the 'Fifty Five Fathoms.' Seiko replaced the SNZH with the 5 Sports SKX line two years ago, which retained the core design but improved specifications, including the addition of hacking and hand-winding features absent from the original SNZH. This latest release continues Seiko's strategy of revisiting popular vintage designs within its affordable mechanical lineup.

How outlets are covering it

Gear Patrol emphasizes the visual appeal of the new colorways, noting that the 'Tweed Green' offers a luxe look for a sub-$500 watch and that the gilt accents are a key feature. Two Broke Watch Snobs highlights the historical significance of reviving the SNZH design, arguing that it is more interesting than standard limited-edition SKX releases, and notes that the US price remains unconfirmed. Oracle Time focuses on the value proposition, stating that £340 is extremely reasonable for a mechanical watch with steel construction and 100m water resistance, and notes that the 4R36 movement is easy to repair. All sources agree on the specs and pricing in the UK, but differ on the emphasis: Gear Patrol and Oracle Time focus on aesthetics and value, while Two Broke Watch Snobs focuses on historical context and pricing uncertainty in the US.

Why it matters

The release demonstrates Seiko's continued commitment to affordable mechanical watchmaking by reviving a popular vintage design with modern specifications. It offers consumers a more refined aesthetic option within the 5 Sports SKX line, potentially appealing to those who prefer dressier or more distinctive looks than the standard black variant. The pricing, if it remains near the UK level in the US, would make these models highly competitive in the sub-$500 segment.

What to watch

US pricing for the HDB004 and HDB005 is expected to be announced soon, likely before the October 2026 release. The watches are not currently identified as limited editions, suggesting they may be part of the permanent lineup. Further colorways or variations of the 5 Sports SKX line may follow, given Seiko's history of expanding popular models.