Sell Your Vintage King Seiko in London

About the King Seiko

Vintage King Seiko spanned the hand-wound KSK 44-9990 and later high-beat automatics, all with crisp, Zaratsu-polished cases. They competed directly with Grand Seiko within the company's own ranks.

Notable vintage King Seiko references

Vintage references we regularly assess include:

• KSK reference 44-9990 hand-wound
• 45-series high-beat models
• 'Special' King Seiko variants
• Sharp Zaratsu-polished cases
• Original dials with applied markers

Originality on a vintage King Seiko

On a vintage King Seiko, an original dial with correct applied markers, sharp faceted case and matching caseback matter as much as the reference. Redials and heavy polishing affect value, and we explain what we find.

What affects the value of a King Seiko

Among the factors we weigh when valuing a vintage King Seiko:

• Reference and movement (hand-wound vs. high-beat)
• Dial originality and correct markers
• Case sharpness and prior polishing
• Movement condition and service history
• Original crown and hands
• Provenance and any papers present

Selling a King Seiko without box or papers

Missing paperwork does not put a sale out of reach. We may consider a vintage King Seiko without its original box, papers, warranty card or receipt.

Any purchase remains subject to authentication, condition inspection, and ownership and identification checks. Documentation can affect valuation depending on the piece, and we will always explain how.

How Fair Vintage assesses your King Seiko

We look at originality first — dial, hands, case and, where relevant, bezel and bracelet — then movement condition and any service history.

Replacement parts, prior polishing, provenance, and box and papers all feed into the assessment. We explain our reasoning so the offer is one you can understand and rely on.

Selling your King Seiko while visiting London

If you are visiting London, we can often arrange an appointment at short notice to value your vintage King Seiko at a safe, mutually agreed location convenient to you.

Same-day or next-day appointments may be available, subject to availability. If you accept an offer and the required identification and compliance checks are completed, prompt payment is arranged.

How it works

A straightforward process, with no obligation at any stage:

• Contact us with a few details or photographs
• We arrange a suitable appointment
• Your King Seiko is inspected and valued in person
• We provide a clear offer — you are free to accept or decline
• If you accept and the required checks are completed, prompt payment is arranged

Frequently asked questions