2.0325 SEIKO 6309-6190 ‘Big Bang’ Automatic, Japan 1982

£243.00 (incl. VAT)

Many watch brands turn back to past designs for inspirations, we all know that Hublot’s iconic design is inspired by the pothole of a ship. However who needs a Hublot when you’ve got this lovely Seiko from July of 1982. This watch features a immaculate brushed blue dial with baton indices, a stainless steel case with integrated lugs, a day/date function lies at three so you never lose track of the date. All original, in unpolished condition. Has been serviced with full disassembly in our Bristol workshop and comes with a 12-month warranty and original bracelet, which fits a 16-17cm wrist very nicely.

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Key Features

Striking case design with integrated lugs reminiscent of a royal oak or a nautilus. The watch is in mint condition and features a beautiful brushed blue dial with applied baton indices. The watch is at a wearable size of 45mm lug to lug. The serial number dates it to July of 1982, it could be a perfect birth year watch! The watch houses a Japanese made automatic movement with a 40+ hours power reserve,  All original, in unpolished condition.

About Seiko

The Seikosha Co. was founded in 1892 in Tokyo by Kintaro Hattori. Initially, the company only produced wall clocks, however they gradually introduced other timekeeping devices into the mix, with pocket watches in 1895, watches with alarm functions in 1899, and finally wristwatches in 1913.

The brand name of “Seiko”, meaning “Precision” in Japanese, was first used on watch dials in 1924, and became the official brand name after the founding of the Daini Seikosha Co. in 1937. In 1959 Seiko founded another company, Daiwa KogyoLtd., which was later renamed to Suwa Seikosha Co. These two companies, Daini Seikosha and Suwa Seikosha, continued to produce Seiko-branded watches on an internally-competitive basis. Eventually, Daini became Seiko Instruments, Inc. (SII) and Suwa became Seiko Epson Corporation.

In 1960 the company launched the famous Grand Seiko brand, which in time would become a ‘halo’ brand specialising in understated, elegant, and precise watches. Eight years later, Seiko would reach the highest score ever attained at the Geneva Observatory Competition, receiving the award for “best mechanical wristwatch chronometer”.

The success of the Seiko brand only grew, and in 1987 they became the official timekeeper for the IAAF Athletics World Championship in Rome. Then again in 1991 at the IAAF Athletics World Championship in Tokyo, again in Stuttgart in 1993, Gothenburg (Sweden) in 1995, Stuttgart again in 1997, Sevilla in 1999, Edmonton (Canada) in 2001, Paris in 2003, Helsinki in 2005, and Osaka in 2007. They were also the official timekeepers at the Olympic Games in Tokyo 1964, and Barcelona 1992.

Today, the Seiko Watch Corporation belongs to the Seiko Corporation as a subsidiary of the electronics giant Seiko Epson. In addition to the brand Seiko, the brands Pulsar and Lorus (cheap and fashionable quartz watches) as well as the brand Grand Seiko (mostly mechanical and good quality watches) belong to the Seiko Watch Corporation.

Servicing and Guarantee

This timepiece has been serviced with full disassembly. There is a 12-month guarantee, subject to the usage and care guidelines. The watch comes with its original stainless steel bracelet.


Case and Strap

  • Clean-looking Tonneau style case.
  • Stainless steel case body.
  • Sapphire crystal.
  • Stainless steel screw caseback.
  • Pull-out crown.
  • Original stainless steel bracelet.
  • Dustproof.


  • Width w/ crown: 35mm
  • Width w/o crown: 36.5 mm
  • Height: 45 mm
  • Thickness: 10.5mm
  • Strap: 21 mm, integrated lugs

Dial and Hands

  • Brushed blue dial
  • Baton style indexes with original lume.
  • SEIKO 5” signature below numeral 12 position.
  • Day-date window over 3.
  • Pencil style silver-tone hands with original lume.
  • Silver-tone centre seconds hand.


  • Japanese-made movement.
  • Seiko 6309A
  • Day/date.
  • 17 jewels.

Testing Results

  • Testing duration: 2 weeks cyclic test.
  • Average timekeeping range: 15-30 sec/day.

Servicing and Guarantee

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