More Speedy Examples on the Way

Brian has been busy working on more 67-9313’s, and has sent pics and info on five more – I’ll be adding these to the Restoration Page soon.

Been catching up on things this week after a week’s holiday visiting Barcelona and the very lovely town of Girona. I used my one and only 8200 driven watch, in ‘Adorex’ form, whilst I was away and it ran impeccably. Although the 8200 is most commonly seen in the ‘Eagle 7’, the Adorex version was an early one – mine is from 1977:


More about this model here:

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Colourful Citizens

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 attention. And the colours were sometimes combined with interesting case designs. My auto chrono collection is a good representation of these qualities:


These models use either the 8110A or 8100A versions of the high beat (28,800 beat per hour) movement. There are no ‘B’ or other versions since the ‘A’ = automatic 🙂  The 8110 is the better known of the two, with its twin sub-dials for hours and minutes. The single sub-dial features only a minute counter. The sweep-hand hand is of course the chronograph second counter.

Both versions were introduced in 1972, the 8100 first, I think in May of that year, with the 8110 following in October.  The 8110 was produced for much longer though, up to 1980 or thereabouts, with one special version found in the Walter Wolf branded model produced as late as 1983. The 8100 models were only produced for maybe 2 years – I don’t think I’ve seen one later than 1974.

For a closer look, here are a couple of examples I’ve featured on my blog:

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Citizen Chronograph 67-9071 ‘Monaco’ – More than a restoration!

I’ve just published a new page featuring more of Brian Leiser’s excellent work – this time he has built a 67-9071 from parts I supplied. And, of course, he’s done a superb job! From two rather sad non-runners, along with some very nice NOS parts I was able to supply, I now have a very  nice example of this rare model – and with Brian’s expertise it’s running beautifully and will now do so for many years.

Here’s the page, I hope you enjoy Brian’s account, which he kindly supplied along with many photos and notes – thank you Brian 🙂


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It’s been rather quiet here over the summer, but….

I’ve been busy over recent months with lots of non-watch related stuff, but that’s going to change soon! I’ve just got something back from master watchmaker Brian Leiser…….yes, he’s worked his chronograph magic again 🙂  This time on one of the rarer models, a 67-9071 ‘Monaco’. He’s done a great job – as always – and has provided pics and notes on the build (not just one of those simple restorations 😉 ) so I can do a full account.

Here’s a teaser for now:



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Not Had a Reply?

I’ve had some issues with email over recent weeks, so if you have contacted me with a question and not had a reply could you please get back to me.  Apologies if this has happened to you, but I’ll try to reply asap if you try again.

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This Week’s Featured Watch #79 – the Citizen Jet Monthly

Many people may be familiar with Citizen’s vintage ‘Monthly’ watches, which use the 5270 movement and were produced in the late 1960s. They are also found in the guise of the ‘Moon Dater’, which was the export model. However, Citizen produced a slightly earlier Monthly model, using the 4101 ‘Jet’ movement – and this model is much less known, and is a rare beast.  Made only in gold plated cases as far as I know, mine is of the white gold variety:

As can be seen this Monthly is part of the ‘Seven’ auto-dater line, using the 19 jewel version of the 4101 calibre. Unlike the 5270 monthlies, the month window is placed at the 9 o’clock position and is manually turned by the crown at 4 o’clock. The month wheel runs over the date wheel and is perforated so that the date can be seen through it.

The serial number shows production in August 1965, and ‘WGP’ refers to the case plating:

This is a large watch for its time, measuring 40mm across the case and the same lug to lug. It is also over 12mm thick, perhaps reflecting one of the reasons Citizen moved to the more compact oscillating weight movements for its automatics.

The size difference is more apparent when placed alongside a more conventional Jet model:

The 4101 movement beats at 18,000 per hour and can be manually wound, without hacking. The time is set by pulling the crown out one click, whilst the date is set by pulling in and out at the second click. The day is set by winding back and forth between 9 and 12:

It would have come in a box like this originally:

And finally a closer look at the dial and hands:


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

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 twin register 8110A movement and the 8100 were introduced in 1972. As with the 8110, this type has 23 jewels and uses the central sweep hand as the second counter, whilst the sub-dial counts minutes. Otherwise its features are the same, running at 28,800 beats per hour with hand winding and ‘fly-back’ (instant reset and restart of chronograph function without having to stop it first).

This model has a steel case with black coated alloy bezel. Two dial designs were produced as far as I know, the other having a silver sub-dial – the black sub-dial on this example is rather more subtle. The case is polished – I believe this is correct since two models shown in a 1974 catalog show one with a polished case, the other with a satin finish:


The dial and hands create a very legible face, and the highlights on the sub-dial give some colour and interest. The case back gives a production date of May 1972, so this is an early one:


Good examples of the 8100 are not easy to find, rather like some of the lesser known 8110 models. Unlike the 8110 models, I don’t recall seeing any made after 1974, so they had only a limited production run and fewer will have been sold as a result.

For more information on all Citizen’s vintage chronographs, here’s a link to my reference page:



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