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About LinkBacksSome interesting, less common HEQs ...
HEQ Exotica
Nominated by, you guessed it, Jim.
Some interesting, less common HEQs ...
HEQ Exotica
Nominated by, you guessed it, Jim.
Interesting discussion on the meaning of accuracy specifications ...
Accuracy Wars
Jim on this one too!
Some gorgeous LED watches ...
These are NOT nerd watches!
Some great info on Beta 21 movements. (Their significance is that they were essentially tied with Seiko as the first commercially available quartz watches.)
Beta 21
Last edited by Bruce Reding; September 16th, 2007 at 15:19.
Here is an excellent thread on hardened coatings for cases.
In this thread (and its linked precursor threads), Hans Moleman (Martien) does some fantastic forensic investigations with the timing of the one second "ticks" on various TC watches to yield real insight into their respective thermocompensation schemes:
Thermocompensation Investigations
In it, the pulse suppression method of the ETA Thermoline watches is clearly revealed. Also clearly, the Citizen "The Citizen" thermocompensation method is shown to be different than ETA's pulse suppression (and is mysteriously complex), but is shown to be clearly a digital count adjustment scheme of some type. Finally, the 9F is a bit of a mystery.
An excellent contribution by Martien, and fantastic teamwork by the forumners in general. HEQ at its best! I rate it
This thread is a most excellent history of the Citizen watch company put together by the estimable Alex (Fatpants).
Last edited by Bruce Reding; September 29th, 2008 at 17:01.
Here is our long running Accuracy Challenge thread, an effort to chart the performance of various member's watches. This kind of work is one of the core interests of the HEQ forum.
Here's a link to some excellent work that David (dwjquest) has done which quantifies how effective the thermocompensation of a number of the notable thermocompensated movements is. (Truly germanic grammar.)
Thermocompensation Performance
Last edited by Bruce Reding; December 9th, 2008 at 23:34.
A great discussion, with links to Citizen tech manuals, can be found here.
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