The room went quiet when Seiko flipped the sheet off the new King Seiko Vanac HKF005. Not because of the case — that sleek, multifaceted silhouette we already knew from last year’s revival — but because of the dial. Thousands of tiny glitter-like particles, suspended in a deep midnight tone that sits somewhere between black and the darkest blue-grey, catch the light like a city seen from above at night. Seiko’s people call it the “countless city lights shimmering across Tokyo at night,” and for once the press release language feels earned. This is the Vanac as a starfield.

The new reference, HKF005, is the first steel Vanac to arrive since Seiko revived the line in 2025, and it is not a limited edition. That matters. The titanium Vanac models and the blue-dial limited edition proved the design language worked; HKF005 simply makes the most dramatic expression of it permanent. Seiko positions it as the flagship of the collection’s steel branch — a watch that carries the brand’s 1972 design DNA into the present day without the scarcity markup or the hunt.
A Dial Inspired by the Tokyo Horizon
The Vanac owes its existence to 1972, when King Seiko — at the time still competing ferociously with Grand Seiko for the title of Japan’s finest mechanical watch — launched a boldly colourful, multifaceted line that broke from the classic round dress watches that defined the nameplate. The revival keeps that spirit. The case is a single block of faceted steel, its surfaces alternately mirror-polished and finely brushed so the geometry plays with light from every angle.

What sets the HKF005 apart is the dial treatment. Like the earlier Vanac editions, it uses horizontal grooves and a dedicated index ring with an oversized V-shaped marker at noon — a wink to the Vanac “V” that has anchored the line since the 1970s — but the surface itself is the story. Dark-coated hands and indices are filled generously with Lumibrite, so legibility survives the moody backdrop. The date window sits framed and bevelled at 3 o’clock. It is, in person, a dress watch that reads like a night sky.
Calibre 8L45: Grand Seiko Architecture, King Seiko Bearing
Flip the watch over and the see-through caseback reveals the engine room: Calibre 8L45, the same in-house automatic that arrived in the Prospex Marinemaster 1968 Heritage Diver refresh. It is built on the architecture of the Grand Seiko 9S65, and it shows — striped finishing across the rotor, bridges, and mainplate, a 28,800 vph beat, 35 jewels, and a 72-hour power reserve. Seiko rates it to +10 to -5 seconds per day, the same published tolerance as the Grand Seiko base it descends from.

For a brand whose high-end mechanical output is now almost entirely Grand Seiko, the 8L45’s presence in a King Seiko is deliberate: it is the movement that bridges the two names, and its placement here quietly says the Vanac is not a fashion piece — it is a serious tool watch in evening dress — precisely the territory Grand Seiko vacated when it went its own way, as our history of Grand Seiko traces.
Wearability: Sharp Facets, Comfortable Steel
On the wrist, the HKF005 is a study in contrasts. At 41mm by 14.3mm, it is a bold presence, but the faceted lugs curve down hard and the lug-to-lug stays tight at 45.1mm, so it wears smaller than the numbers suggest. The integrated bracelet follows the case profile link by link, each one faceted and finished to match. The concealed triple-folding clasp with push-button release disappears under the wrist. With a box-shaped sapphire crystal, an anti-reflective coating on the inner surface, and a 10-bar water resistance rating with screw-down crown, it shrugs off daily life while looking like it belongs at a dinner table.

Seiko quotes European pricing at EUR 3,400 and confirms availability from October 1st, 2026 on the official King Seiko page, in regular production — not a numbered run, not a boutique exclusive. The quick-release spring bars mean a strap change takes seconds, though honestly, this one is best left on the bracelet it was drawn with.

Seiko has clearly leaned into collector-driven storytelling this year, from the fan-voted 62MAS edition to this. The King Seiko revival has been building for years now — from the 2022 relaunch to the titanium Vanac editions — and the HKF005 feels like the line reaching maturity. It takes the most distinctive chapter of King Seiko’s history, the bold multifaceted era of 1972, and gives it a dial that finally matches the ambition of the case. For collectors who missed the limited editions, this one is waiting. For everyone else, it is the strongest argument yet that King Seiko deserves a place next to its more famous sibling.
Specifications
| Reference | HKF005 (JDM: HKF005J1) |
|---|---|
| Case | Faceted stainless steel, 41.0mm diameter, 14.3mm thick, 45.1mm lug-to-lug, 17mm lug width, brushed and mirror-polished |
| Bezel | None — case-integrated design with faceted geometry |
| Crystal | Box-shaped sapphire, anti-reflective coating on inner surface |
| Caseback | See-through, screw-in with striped movement finishing visible |
| Water Resistance | 10 bar (100m), screw-down crown |
| Magnetic Resistance | 4,800 A/m |
| Movement | Calibre 8L45 automatic with manual winding, based on Grand Seiko 9S65 |
| Functions | Hours, minutes, central seconds with stop-second, date at 3 o’clock |
| Frequency | 28,800 vph (8 beats per second) |
| Jewels | 35 |
| Power Reserve | Approximately 72 hours (3 days) |
| Accuracy | +10 to -5 seconds per day |
| Dial | “Tokyo by Night” midnight tone with glitter-like particles, horizontal grooves, dedicated index ring with oversized V-shaped marker at noon, framed date window |
| Lume | Lumibrite on hands, indices, and V-marker |
| Bracelet | Integrated faceted stainless steel, brushed and polished, triple-folding clasp with push-button release, quick-release spring bars |
| Availability | Regular production from October 1st, 2026 |
| Price | EUR 3,400 (European MSRP) |







