Kensington Watches
Seiko King Seiko VANAC 'Tokyo Midnight' 41mm Mens Watch

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Seiko

Seiko King Seiko VANAC 'Tokyo Midnight' 41mm Mens Watch

Ref. SLA085J1

Among our 192 Seiko watchesThis watch£2,900
Premium

Sits in Seiko’s upper tier here — more premium than three quarters of the Seiko watches we list, which start at £110.

Price range £110 to £3,550 across 192 Seiko watches in stock.

The faceted stainless steel case measures 41mm across and 14.3mm thick, with alternating brushed and polished surfaces that catch the light at different angles. A screw-down crown sits at the 4 o'clock position, and a see-through case back reveals the movement below. The high box-shaped sapphire crystal carries an anti-reflective coating on its inner surface. The deep midnight blue dial features horizontal grooves and silver-tone indices, with an oversized V-shaped marker at 12 o'clock. LumiBrite is applied to the hands, indices, and the tip of the seconds hand. Date display appears at 3 o'clock. The integrated bracelet echoes the case with faceted multi-row links and a triple-folding deployment clasp. Inside, the in-house 8L45 automatic runs at 28,800 vph with a 72-hour power reserve, rated to +10/-5 seconds per day.

Reference
SLA085J1
Brand
Seiko
Collection
King Seiko
Case size
41mm
Case thickness
14.3mm
Lug width
17mm
Case material
Stainless steel
Case shape
Round
Dial
Blue
Crystal
Sapphire
Movement
Automatic
Calibre
8L45
Functions
Date
Water resistance
100m
Bracelet / strap
Stainless steel bracelet
Strap colour
Silver
Clasp
Deployant clasp
Lume
LumiBrite
Retailer
Goldsmiths
Additional specifications
Lug-to-lug
45.1mm
Power reserve
72 hours
Weight
192g
Learn more about Seiko

Kintaro Hattori opened a watch and clock shop in Tokyo in 1881, aged twenty-one, and began manufacturing under the name Seikosha — roughly, house of exquisite workmanship — in 1892. The Seiko name appeared on watches from 1924.

The company's significance is that it broke the Swiss monopoly twice. First on precision: Seiko was appointed official timekeeper of the 1964 Tokyo Olympics and built the quartz chronometers and printing timers to do it, and in the 1960s its movements placed highly at the Neuchâtel and Geneva observatory trials against the best Swiss houses.

Then on technology. On Christmas Day 1969 Seiko released the Astron, the world's first quartz wristwatch, accurate to five seconds a month where mechanical watches managed that per day. The consequences for Switzerland were catastrophic — employment in the Swiss industry fell by roughly two-thirds over the following decade. Seiko deliberately did not enforce its quartz patents, allowing the technology to spread.

The same year it produced the 6139, among the first automatic chronographs, and it has since introduced Kinetic, Spring Drive — a hybrid regulating a mechanical mainspring electronically, giving a perfectly gliding seconds hand — and its own dive and field lines.

Seiko remains fully vertically integrated, making its own hairsprings, quartz crystals, and even the Zaratsu-polished cases, at price points from under a hundred pounds upward.

1881
Kintaro Hattori opens his Tokyo shop.
1924
The first watches carry the Seiko name.
1964
Official timekeeper of the Tokyo Olympics.
1969
The Astron becomes the first quartz wristwatch.
1999
Spring Drive enters production.

All Seiko watches

Also in 4 collections

This watch appears in Back in Stock (3,616), Stainless Steel Watches (3,157), Automatic Watches (1,753) and Blue Dial Watches (871).

Best of 2 retailers

What the specifications mean

A mechanical watch for everyday wear.

Strengths

  • 100m water resistance covers swimming and watersports
  • 45.1mm lug-to-lug keeps the 41mm case wearable
  • Sapphire crystal, which resists scratching
  • 72-hour reserve survives a weekend off the wrist
  • Luminous hands and markers for low light

Worth knowing

  • 14.3mm thick, so it will not disappear under a cuff
Best forSwimmingEveryday wear
Less suited toUnder a shirt cuff

Seiko King Seiko VANAC 'Tokyo alternatives

Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.

King Seiko VANAC 'Tokyo Midnight' 41mm Mens Watch compared with 2 alternatives from other brands
SpecificationThis watchKing Seiko VANAC 'Tokyo Midnight' 41mm Mens WatchSLA085J1OrisPropilot Desert Limited Edition 41mm Mens Watch01 733 7802 8766-07 4NorqainAdventure Neverest GMT 41mmNN1100SC1CG/BE111/15BEN.20S
Price£2,900£2,700£3,120
Case size41mm41mm41mm
Water resistance100m100m100m
MovementAutomaticAutomaticAutomatic
StrapStainless steel braceletFabric strapRubber strap
Power reserve72 hours70 hours
This watchClosely matchedClosely matched

Your new watch

Frequently asked questions, and things you should know about this watch

Can I swim with it?

Yes. At 100m it is rated for swimming and snorkelling, though not for diving.

Water resistance explained

Will the glass scratch?

Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.

Sapphire, mineral and acrylic compared

Does it need a battery?

No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.

Quartz, automatic and solar compared

How long does it run for when it's not worn?

About 72 hours fully wound — enough to sit off the wrist over a weekend and still be running.

What size strap does it take?

17mm. Any strap of that width will fit, and on most modern watches quick-release bars make the swap a two-minute job with no tools.

Will it fit my wrist?

Lug-to-lug is 45.1mm, which suits wrists from roughly 16cm (6¼ inches) upward.

Lug-to-lug decides fit more than case diameter does.

How to size a watch to your wrist

Is it a men's or women's watch?

Listed as men's.

Cheapest place to buy

Both Mappin & Webb and Goldsmiths list it at £2,900, so choose on delivery and warranty rather than price.

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