King Seiko has always occupied a strange spot in the Seiko universe. The brand sits above the standard Seiko catalog but below Grand Seiko, and it’s powered by movements that borrow heavily from its upmarket sibling. And nowhere is that identity more fun than in the Vanac, the angular 1972 oddball Seiko revived last year to plenty of raised eyebrows (and, from us, plenty of applause). Now the collection is getting its most atmospheric variant yet, the King Seiko Vanac HKF005.

Glitter, Hold the Aventurine
The new dial lands somewhere between black and a deep blue-grey, and it’s peppered with tiny sparkling particles meant to evoke Tokyo’s countless city lights after sundown. And before you ask, no it’s not aventurine. This is Seiko’s own glitter-flecked treatment.
Look closely and the horizontal grooves from the steel Vanacs are still in there. They’re just a bit more subdued, while the speckling does the heavy lifting here. The hands are dark-coated but they’re filled with LumiBrite for after-hours legibility.
And while the titanium HKF003 technically went black first earlier this year, this is the first steel Vanac to do it. Glitter on a men’s sports watch is a tightrope walk, but we think that this one sticks the landing.

Still the Sharpest Case in the Catalog
Around that dial sits the same razor-faceted 41mm steel case, bezel-free and topped with a tall box sapphire that accounts for a chunk of its 14.3mm height. A tidy 45.1mm lug-to-lug keeps it wearable.
The integrated bracelet alternates brushed and mirror-polished links down to a concealed push-button clasp, with quick-release spring bars and 100m of water resistance rounding out the package.

The Grand Seiko Connection
But the Vanac has never been just a pretty case. Inside beats the 8L45 automatic, a caliber based on Grand Seiko’s 9S65, running at 28,800 vph with a 72-hour power reserve and +10 to -5 seconds per day of accuracy.
Flip it over and the sapphire caseback shows off the striped finishing across the rotor and bridges. It remains one of the most affordable routes into Grand Seiko-derived mechanics.

Spec Sheet
Model: King Seiko Vanac HKF005 (HKF005J1)
Case Size: 41mm
Lug-to-Lug: 45.1mm
Case Thickness: 14.3mm
Case Material: Stainless steel
Crystal: Box-shaped sapphire with inner AR coating
Movement: Seiko Caliber 8L45 automatic (28,800 vph, 35 jewels)
Power Reserve: Approx. 72 hours
Accuracy: +10 to -5 seconds per day
Water Resistance: 100m
Band: Integrated stainless steel bracelet, quick-release
Limited Edition?: No

Pricing & Availability
Refreshingly, the HKF005 isn’t a limited edition, so there’s no need to camp outside a boutique. It arrives in October 2026 priced at €3,400 in Europe; Seiko hasn’t posted US pricing yet, but with the existing steel Vanacs sitting at $3,300 stateside, expect that neighborhood.
Recap
King Seiko Vanac HKF005
King Seiko gives its razor-faceted Vanac a glitter-flecked black dial inspired by Tokyo’s city lights, backed by the Grand Seiko-derived 8L45 automatic.