Perturbations and the act of observation: A Seiko 6139-8040 from November 1974
In classical physics, a foundational principle is that it is possible to assign precise values simultaneously to all physical properties …
Tag Archives: Vintage
A ghost bezel Seiko Navigator Timer 6117-8000 from 1969
Occasionally I ruminate over what combination of features might contribute to rendering the perfect watch. This is, of course, a …
Origins of the Seikomatic: A 30 jewel Seikomatic 15031D from January 1963
Seiko’s first wholly in-house automatic movement was the Gyro Marvel, developed in 1959 as an evolution of the Marvel/Laurel hand-wind …
King Seiko 5626-7041 Officially Certified Chronometer from May 1974
The King Seiko line was conceived and developed originally by the Daini Seikosha division as a luxury hand-wind watch to …
What’s next?
I need your help. I have many projects waiting in the wings and find myself at a bit of an …
A Seiko 5 Sports 7019-6030 from May 1970
In this, the third and final part of our mini-series on Daini-produced Seiko 5 Sports watches, we turn our attention …
Seiko 5 Sports transitions: 1969 to 1970
I open this present entry by paraphrasing the introduction to a post I made in June 2015 entitled A Kind …
A Seiko 6139-8002 from February 1972
I bought my first Seiko 6139 chronograph in the summer of 2008, I think from an eBay seller in the …
A Grand Seiko powered 62MAS: Finished. Fin. The End.
Well, that took rather longer than anticipated. This has been a very strange year for everyone, me included, and the …
Hot-rodding a Seiko 62MAS: Updates, YouTubing, Resources
As might reasonably have been anticipated by your correspondent, the business of working on, filming, editing and uploading video content …
Hot-rodding a Seiko 62MAS revisited
10 years ago, I bought a rather ratty Seiko 62MAS. Its movement was tired, its hour markers pock-marked with black …
Adventures in Amateur Watch Fettling 