Tag Archives: Vintage Citizen Chronograph 8100A

Colourful Citizens

Posted on October 14, 2018 by sweephand

Citizen certainly weren’t shy about using colours in the 1970s, and their range of automatic chronographs is a good example. Even with conservative dial colours, colourful highlights were used on a number of the models to grab a bit of … Continue reading →

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This Week’s Featured Watch #78 – the 4-900014 Chronograph

Posted on April 26, 2018 by sweephand

One of two of Citizen’s chronographs with case number only, i.e. no model number, this is a single register ‘Challenge Timer’ model which is driven by the 8100A movement (‘A’ is for Automatic, there’s no ‘B’ version 🙂 ).  Both the … Continue reading →

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This Week’s Featured Watch #63 – the 67-9631 Chronograph

Posted on November 11, 2014 by sweephand

Citizen’s mechanical chronographs from the 1970s are relatively well known, especially the ‘bullheads’ with the two sub-register 8110A movement. Known at the time as ‘Challenge Timers’ Citizen’s range of models also included single sub-register models – in fact these were the … Continue reading →

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Should the Citizen 8110A and 8100A Chronographs Be Left Running?

Posted on December 17, 2013 by sweephand

This question has been asked many times before, and the advice is that the chronograph mechanism should be left running to minimise wear. The same applies to the Seiko 6138 and 6139 vintage chronographs. This advice relates to the design … Continue reading →

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8100 Chronograph – 4-900014

Posted on April 22, 2012 by sweephand

For some reason Citizen didn’t give model numbers (i.e. 67-xxxx) to two of their chronographs. One is in the 8100 line, and carries the case number 4-900014. There were two versions and I’ve managed to acquire one of them: This … Continue reading →

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8110 Intensive Care!

Posted on January 22, 2012 by sweephand

If you think a watch looks to be beyond both hope and help,  just take a look at this thread in the Watchuseek Seiko & Citizen Forum and especially the great work being done by ’31 Jewels’; http://forums.watchuseek.com/f21/citizen-8110-model-high-end-watch-617679.html

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Chronographs Page Published

Posted on December 23, 2011 by sweephand

I finally managed to finish the new page on Citizen’s automatic mechanical chronographs – thought I’d not make it before Christmas! I’ve included at this stage all models and their variants that I believe are original, so there may be … Continue reading →

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This Week’s Featured Watch #17 – 67-9577 Chronograph

Posted on November 28, 2011 by sweephand

Following the 67-9038 in my last ‘Featured Watch’, it seems logical now to present the other  automatic chronograph line by Citizen, this time with one sub-dial. Both movement types were introduced in 1972 – the twin sub-dial being the 8110a … Continue reading →

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