Tag Archives: Citizen Cosmotron X8

Black and White Pair

Posted on May 26, 2015 by sweephand

Well, black and silver really 🙂 These two Cosmotrons use the 4840 electro-mechanical movement. They are the same model, but the dials have differences – the black one from 1971 is marked ‘transistorized’ whilst the silver one from 1970 is … Continue reading →

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This Week’s Featured Watch #64 – Cosmotron X8 4-480040

Posted on November 23, 2014 by sweephand

I’ve been looking out for the date version of the 0840 Cosmotron since I hadn’t previously found an example – designated the 4840, models with this movement were launched in 1970 and run at 21,600 beats per hour. Since my … Continue reading →

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Some Unusual Selections From Japanese Auctions

Posted on September 10, 2014 by sweephand

With credit to the sellers on Yahoo Japan for their pictures here are a few of the more unusual watches, which appear to be authentic (to me anyway!) that I’ve seen on the Japanese auctions. First is a Cosmotron, sold recently, … Continue reading →

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Latest Arrival – Cosmotron 7800

Posted on May 27, 2014 by sweephand

I have a soft spot for the Cosmotrons – these were electro-mechanical hybrid watches with a limited production life since their new technology was almost immediately superseded by quartz technology. The fact that they were doomed almost from day one … Continue reading →

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This Week’s Featured Watch #57: Cosmotron GX (green dial)

Posted on March 19, 2014 by sweephand

I’ve featured a Cosmotron GX before – Number 33 in the series – but I have a second example. This one grabbed my attention since it has an unusual dial, featuring a textured green finish and contrasting white chapter ring: … Continue reading →

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What Makes This Cosmotron Special?

Posted on January 23, 2014 by sweephand

There are a number of things that can make a watch ‘special’ – it may be an expensive high grade piece, or it might be a rare vintage model; it may have been a ‘world first’, or it may have … Continue reading →

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This Week’s Featured Watch #56 – the X8 Titanium Chronometer

Posted on December 22, 2013 by sweephand

This final Featured Watch of 2013 is something of a rarity – ‘rare’ is a much over-used term when it comes to vintage watch descriptions, but I’m confident that this one qualifies. The X8 Chronometer in a titanium case was … Continue reading →

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Cosmotron 7803A Movement – the Special Version

Posted on November 28, 2013 by sweephand

The X8 / Cosmotron electro-mechanical movements  first produced in 1966 were, for a short time, Citizen’s most accurate watches – capable of reaching chronometer grade standards.  They had a very limited life though, since quartz technology was developed soon after … Continue reading →

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Cosmotron Display

Posted on October 10, 2013 by sweephand

It’s nice to find bits and pieces that add to a collection – some time ago I found a small shop display for the Cosmotron models. Dating from the early 1970s, it holds three watches – here’s a little ‘fly … Continue reading →

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This Week’s Featured Watch #49 – The X8 (Cosmotron) Chronometer

Posted on April 19, 2013 by sweephand

In 1970 Citizen produced two chronometer grade models in their electro-mechanical X8 Cosmotron range. One of these is the very rare titanium cased version, of which only 2000 were produced – it was the first watch globally to be made … Continue reading →

Posted in Vintage Watches | Tagged , , | 6 Comments