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

April 5, 2019

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

King Seiko 5245-6000 from December 1971

January 8, 2019

As the 1960’s rolled into the 1970’s and the quartz juggernaut started to power its way through the foundations of …

November 23, 2018

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

May 3, 2018

I really don’t know what I was thinking tackling these two at the same time. You lot must be fed …

April 29, 2018

From about 1970, Seiko introduced an approach to many of their mid case designs that made use of Hardlex tempered …

April 18, 2018

What is the difference between a design flaw and a design vulnerability? Simple. The latter is referenced in some detail …

April 8, 2018

To mark the end of the school’s Easter holiday period, three quarters of my immediate family went to see the …

January 30, 2016

The now you see it, now you don’t moment last month was one of those occasions where one’s ability to …

January 3, 2016

This is a tale of ups and downs, of resurrection and catastrophe. The subject is a high beat King Seiko …