Description
The King Seiko Vanac HKF004 is the most quietly significant of Seiko's 145th-anniversary releases for 2026 — and arguably the version of the Vanac that long-time enthusiasts have been asking for since the angular 1970s reissue returned as a serial model in 2025. Limited to 800 pieces and priced at EUR 3,400, this new reference adds a Seiko Blue colour story to the line, but more importantly it brings the manufacture Calibre 8L45 — the Grand Seiko 9S65-derived automatic — into a case that costs less than every Grand Seiko Heritage in the catalogue.
Seiko was founded in 1881 by Kintaro Hattori, and the brand is using its 145th anniversary to revisit references that genuinely belong to the era it is celebrating. The Vanac, first sold in 1972, is one of those. It is the original "King Seiko" sports watch with a fully integrated bracelet, and this new HKF004 places it at the centre of the anniversary roster alongside the Prospex HBC005 and HBB001 divers released earlier in May.
Design
The 41 mm × 14.3 mm × 45.1 mm L2L case is a study in Zaratsu polishing. Mirror-bright bevels on the lugs cut into deeply brushed flanks; the bracelet, which is fully integrated with no end-link gap, repeats the same contrast at smaller scale. The case profile is angular and unapologetically 1970s — short, faceted lugs, a flat bezel and a slim mid-case that wears closer to a 39 mm watch than a 41 mm. The crown is signed with the King Seiko shield, and the case-back is solid with a 145th-anniversary medallion.
The dial is silver-white with a horizontal stripe texture, navy "Seiko Blue" chapter-ring printing, and a V-shaped applied 12 o'clock marker echoed at the seconds-hand counterweight. The hour and minute hands are vibrant blue; the seconds hand is the same blue with that V counterweight. Lumibrite sits inside the applied indices for low-light legibility. The box-type sapphire crystal has an internal AR coating.
Specifications
- Reference: HKF004
- Case: stainless steel, mix of Zaratsu polished and brushed surfaces
- Case diameter: 41.0 mm
- Case thickness: 14.3 mm
- Lug-to-lug: 45.1 mm
- Crystal: box-type sapphire with internal AR coating
- Case-back: solid steel with 145th-anniversary medallion
- Water resistance: 100 m
- Dial: silver-white with horizontal stripe texture, Seiko Blue accents, applied V-marker at 12 o'clock
- Movement: Seiko Calibre 8L45, automatic (derived from Grand Seiko 9S65)
- Frequency: 28,800 vph (4 Hz)
- Power reserve: 72 hours
- Jewels: 35
- Accuracy: +10 / −5 seconds per day (tighter than ISO chronometer)
- Functions: hours, minutes, central seconds, date
- Winding: automatic with hand-winding and hacking
- Bracelet: integrated multi-link steel with three-fold safety clasp and on-the-fly micro-adjustment
- Limited edition: 800 pieces
- Price: EUR 3,400
- Availability: July 2026, at King Seiko boutiques and authorised dealers
What's Exciting
This is the Vanac people wanted at launch. The previous SLA-series models gave the line its Calibre 8L45 — a movement most of the industry would gladly badge as a manufacture chronometer — but their dial work felt generic, as if Seiko was reluctant to commit to the 1970s identity. The HKF004 commits. The horizontal stripe texture, the V-marker at 12 and the Seiko Blue palette give the Vanac an identity for the first time since it returned, and the colour story is grounded in Seiko's own history rather than borrowed.
At EUR 3,400 it also undercuts every comparable Grand Seiko Heritage on the same 9S-derived base by a significant margin, which makes it one of the strongest value-for-money propositions in the Japanese mid-range right now. If you've been waiting for a King Seiko that's not just a smaller, cheaper Grand Seiko but a watch with its own voice, this is the one.
History
The King Seiko line was launched in 1961 as Seiko's higher-grade Tokyo Watch Studio response to Grand Seiko's Suwa-built precision wristwatches; it ran in parallel with Grand Seiko throughout the 1960s before being shelved in the mid-1970s as the quartz revolution reshaped the brand. The Vanac sub-line arrived in 1972 with the brief of making King Seiko's accuracy story wearable on an integrated steel bracelet — directly competing with the Genta-designed integrated sports watches of the same era.
King Seiko returned as a serial brand in 2021 with the SJE083 reissue, and the Vanac followed in 2025 as the line's modern flagship. The HKF004 is the first 145th-anniversary entry in King Seiko proper, and the first Vanac variant to wear the "Seiko Blue" anniversary palette also used on the 2026 Prospex 145th-anniversary divers.
