Seiko 1979 Vintage Divers Ref 6303-7001 “Tokunaga” ENG JAP Day Date 43mm Automatic Self Winding 21600 Rubber Watch


Shipping to United States: Free

Seiko 1970s Vintage Divers Ref 6303-7001 “Tokunaga” ENG JAP Day Date 43mm Watch

1. Super fast dispatch ✅
2. Original condition ✅
3. New CLAM travel pouch ✅
4. Rare vintage divers watch ✅
5. 12 Months Warranty ✅

Background to 1970s Seiko Divers

In 10 short years between 1965 and 1975, Seiko had somehow managed to conceive, design and produce three generations of classic ISO-certified 150 m divers’ watches. They were built by tanks and well priced. The Ref 6105 was a smash hit in Asia and particular North America.

Officially, the 6105 disappeared from domestic Seiko catalogues in 1976 but the model continued to be produced until 1977 or maybe even as late as 1978. With a notional 5 year production span under its belt for the second-gen 6105, in 1975, Seiko charged a young engineer, Ikuo Tokunaga, with the job of designing a replacement. Tokunaga’s new more rounded cushion case design would incorporate many of the features of the older watch, such as the sprung ball-bearing 60 click bi-directional bezel and case construction philosophy, but with a screw-down crown replacing the locking crown design of the out-going watch.

Out too with the embossed dial and coin edge bezel turning ring, replaced with a printed dial and a new, deeper, grippier turning ring. The double-domed Hardlex crystal of the 6105 was also dropped in favour of a beveled flat Hardlex. The lifetime of the 6105B movement had also run its course and the new watch would feature a brand new 21600 bph movement, the 6309A featuring both date and day complications. All in all then, quite a departure from the older watch with one or two aspects of the design hinting at cost-cutting. Nevertheless, this new watch, in common with the three that preceded it has come to be viewed as an absolute classic and wholly original design.

The 6306-7000/1 made its first appearance in the 1976 edition of the domestic Seiko Catalogue, with the 6309-7040 absent but presumably featuring in catalogues produced for overseas markets.

Naturally divers watches are bigger than most and at 43mm the watch has a good presence even by modern day standards.

This is a vintage watch so please be mindful or some imperfections but as you can see from the high resolution photos the watch is in overall good condition.

The quickest day-date function (can be English to Japanese) is a useful / essential tool for some.

The rubber strap gives this watch a modern modern twist.

A new CLAM travel case will be provided as pictured. These are really good to use for transporting or just sticking in your sock draw to keep the watch safe.

We can dispatch SAME DAY if paid before 14:00.

Brand: Seiko Divers Ref 6306-7001
Case Width: 43mm
Thickness: 13mm
Dial: Black
Metal: Stainless Steel
Year: 1979
Serial Number: 884477
Strap: Black Rubber
Movement: Automatic Self Winding (21600 bph)

Need the watch fast...we can help with that
UK Delivery: Next day
EU Delivery: 1-2 days
Rest of World: 2-3 days

Fine Watch Club are Watch Dealers based in Norwich, England. We are selling some top notch gents & ladies wristwatches. Have a look. We have excellent feedback / testimonials and are trusted members of all the large used watch selling platforms.

To drum up interest we are shipping Worldwide for this one. We can dispatch within 24 hours of payment being received. You will receive very fast.

Any questions drop us a mail.

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Shipping from United Kingdom

Processing time

1 business day

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Buyers are responsible for any customs and import taxes that may apply. I'm not responsible for delays due to customs.

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Returns & Exchanges

I gladly accept returns, exchanges, and cancellations

Just contact me within: 7 days of delivery

Ship items back to me within: 14 days of delivery

Request a cancellation within: 24 hours of purchase

But please contact me if you have any problems with your order.

The following items can't be returned or exchanged

Because of the nature of these items, unless they arrive damaged or defective, I can't accept returns for:

  • Custom or personalized orders
  • Perishable products (like food or flowers)
  • Digital downloads
  • Intimate items (for health/hygiene reasons)

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Buyers are responsible for return shipping costs. If the item is not returned in its original condition, the buyer is responsible for any loss in value.

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