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Adventures in Amateur Watch Fettling

~ Restoration, modification and servicing of wristwatches

Adventures in Amateur Watch Fettling

Category Archives: 4420

Parallel Universe: The King Seiko 4420-9990 Chronometer

November 23, 2018

The current state of the Seiko universe is a function of the complex, multi-dimensional evolutionary path that it has followed …

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Recent Posts

  • White heat: A Seiko 3823-7001 Quartz V.F.A from 1973
  • King Seiko 5245-6000 from December 1971
  • Three fat boys: A triptych of British Army-issued CWC G10 military watches
  • Parallel Universe: The King Seiko 4420-9990 Chronometer
  • Grand Seiko re-branding: misstep or confident stride forward?

Archives

Brands

  • Seiko
    • Chronograph
      • 5719
      • 6138
      • 6139
      • 7018
    • Bell-matic
    • Cronos
    • Diver’s
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    • Electronic
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    • King Seiko
      • 4420
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    • Ladies’ watches
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      • 5606
    • Quartz
      • 2625
      • 3823
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      • 9F82
    • Seikomatic
      • 395
      • 603
      • 5106
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      • 6216
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      • 8305
    • Sportsmatic
      • 6601
      • 6619
      • 7606
  • Grand Seiko
    • 5722
    • 6145
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Top Posts & Pages

  • Flawed genius: A Seiko Lord Matic 5606-8010
  • Rise and Fall: The King Seiko 4502-7001
  • Bell-Matic: The Seiko 4006-7021
  • Face-off: Rolex vs. Grand Seiko
  • WATER150mRESIST: A Seiko 7548-7000 from June 1982
  • A Seiko 7018-7000 automatic fly-back chronograph from 1971
  • Parallel Universe: The King Seiko 4420-9990 Chronometer
  • A Grand Seiko in all but name: the Seikomatic 6216-9000

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