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Adventures in Amateur Watch Fettling

~ Servicing, restoration and modification of wristwatches

Adventures in Amateur Watch Fettling

Category Archives: Automatic chronograph

Seiko 7016-5000 Monaco Fly-back Chronograph

Feb 24, 2025

The mechanical chronograph is arguably the most anachronistic variation on the theme of the mechanical wristwatch and yet it evokes …

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A Seiko 6139-8002 from February 1972

Aug 13, 2021

I bought my first Seiko 6139 chronograph in the summer of 2008, I think from an eBay seller in the …

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Chasing my tail: Fault-detection and diagnosis in a Seiko 6139B

Apr 5, 2019

In the spirit of my ongoing compaign to embrace the seasonal urge to clean house, herewith the second of two …

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Third time lucky: A Seiko 6138-8020 Panda from September 1975

Mar 3, 2019

I am by nature a reflective person and if I’ve learned anything at all in my time as an amateur …

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A Seiko 7018-7000 automatic fly-back chronograph from 1971

Jul 14, 2018

I am as guilty as the next man in allowing my eye to wonder, to catch the latest metaphorical flash …

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Glam Rock: the Seiko 6139-7060

Jan 1, 2017

Towards the end of June 1975, Pink Floyd’s Dark Side of the Moon entered its 118th week in the UK …

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Flying saucer: the Seiko 6139-7020 Speed-Timer

May 25, 2015

Lazy accusations that Japanese watch companies ape the Swiss in their design cues can be knocked into a cocked hat …

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A little bling is no bad thing

Mar 26, 2014

I find myself somewhat conflicted by the whole gilt/gold watch thing.   With a solid gold watch it’s the ostentation I …

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Seiko 6138-8020 revisited

Jan 28, 2014

When last we left this revived classic panda-dialed 6138-8020 (see here), all seemed well, the only area of mild dissatisfaction …

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The Seiko 6138B: a bridge too far?

Jun 28, 2012

A year or so after the release of their first automatic chronograph (the 6139), Seiko followed up with the 6138A, …

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The Seiko 6139B deconstructed

May 19, 2012

In spite of the numerous potential pitfalls involved in buying a classic Seiko automatic chronograph, I found myself bidding on …

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Recent Posts

  • Overture to the first Grand Seiko:  the Lord Marvel J14039
  • King Seiko 15034 from October 1962
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  • A Seikomatic 6218-9000 from …
  • A Seiko 6217-8001 from April 1967

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Top Posts & Pages

  • A technical tour de force: Seikomatic-P
  • Flawed genius: A Seiko Lord Matic 5606-8010
  • White heat: A Seiko 3823-7001 Quartz V.F.A from 1973
  • King Seiko 5245-6000 from December 1971
  • A pair of kings: The King Seiko Hi-Beat Automatic Part I
  • The world’s first transistorised electronic balance movement:  The Citizen Cosmotron X8
  • Seiko King Quartz 4822-8000: An unrecognised gem
  • Twin Quartz:  A Seiko Grand Quartz 9943-8000 from June 1978

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