Two-tone Orange Dialled 4-520858 (61-5773) 100m Parawater Diver

Following my last post on Citizen’s orange dialled export (‘waterproof’) 100m diver, Bert has kindly sent photos of his Parawater version of the same model – but with a two-tone dial:

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I have seen one or two other examples of this, with the same yellow raised chapter ring – I had wondered if the lighter colour is a result of UV fading since I didn’t have good images, but the colour appears solid, and Bert has looked at his close up and it looks very uniform:

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So this one does appear to be an original variant – I’d be interested in other comments before I add it to the Diver reference page. Many thanks to Bert for his pics – he also has the full orange version, so here they are side by side:

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Orange Dialled 4-520858 (61-5773) 100m Waterproof Diver

With many thanks to ‘Vlad’, I’ve just added images of his very nice 100m diver, from December 1969, to the diver reference page (https://sweep-hand.org/citizens-vintage-divers-1962-to-1980/).

Vlad kindly offered his images for the archive, and it is such a nice example I thought I’d also add a post about it here. Blue and orange dials were featured on the export models of this watch, and different shaped hands from the ‘Parawater’ versions were also used:

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The watch is in very good condition, especially the bezel insert which can get rather chipped and faded over the years:

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The case back is typical of its day, showing case (4-520858) and model (61-5773) numbers:

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Inside is the 21 jewel day and date 52 movement – the black rotor appears to be the standard type on these:

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Both the orange and blue dialled versions of this watch are quite rare, and I am grateful to Vlad for allowing his photos to be used here.

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Latest Speedy Restorations by Brian

After a holiday break, I’ve now added two more Speedy’s to Brian’s 67-9313 restoration page. One black dial, one white dial, they are both very nice and again showcase Brian’s skill in restoring these beauties:

https://sweep-hand.org/brians-8110a-restoration-the-speedy-67-9313/

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Leopard (Highness) Chronometer Original Faceted Glass

There’ll be a full write-up on the work Brian Leiser did to repair my Leopard high-beat Chronometer, so for now here’s a post about the original crystal I managed to source from Japan – the only one I’ve seen in fact! The glass was listed for a different case number than mine, but I knew it uses the same faceted crystal. I received this a month or two ago, but it was only this week that I dared to try and fit it (replacing an original flat glass that Brian fitted):

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A rather beautiful, and rare, nine facet glass. Not something to be damaged by an enthusiastic but clumsy owner! However, I managed to do it – I didn’t breathe whilst I pressed the bezel into place🙂 :

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I was so keen to get some photos done I left a little of the clear tape on the bezel that I used to hold the glass in the correct position!

You may have noticed that this post has ‘Highness’ in the title. I discovered that what we have called the ‘Leopard Chronometer’ was in fact the ‘Leopard Highness’. Later models had the Highness name on the dial, or ‘CH’, and the applied gold logo was dropped as was the case back medallion. I hadn’t realised this until recently when I translated the Japanese text in the 1971 catalog. See the highlighted part in this scan, which translates as ‘Leopard Highness’:

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I had thought that the Highness simply replaced the Chronometer, when in reality the latter had been the first and original version of the Highness, but with higher production values!

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More About the 777 Autodater…

Although in good condition, this example was not running  when I bought it, except for a few seconds when shaken or wound. Otherwise it seemed to be winding properly by hand and the sound from the rotor seemed ok. Time setting and date change were also fine. I had thought that I could maybe do a movement swap if necessary, so it was time to take a look inside.

The case is a one piece design, so access to the movement is from the front. The crown is a two piece design, and it has to be pulled quite hard to remove it. This has to be done of course to allow the movement to drop out of the case once the crystal is off  – it’s a little disconcerting since a fair bit of force is needed. But once off the way the two parts connect is clear:

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The crown and outer stem is pushed into this slot:

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After carefully prising off the bezel, I found the crystal was not keen to come out. I checked with Brian Leiser first to see if any special tools were needed, but he advised (thanks Brian🙂 ) that no, but the crystal is likely to be tight to the gasket after possibly years of  no attention. Using a suction cup didn’t help, so I very carefully and gently levered the crystal up (using a loupe to watch closely what I was doing), trying to engage with the metal ring on the lower part of the glass rather then the glass itself. I could see it was moving a little so after working round the glass and gently easing it, I found the suction cup did lift it off, without any damage done…phew!

Interestingly I found the watch immediately started to run once the glass was off. And when I replaced the glass, it did not run. The solution was simple – a slight re-shaping of the second hand, bending the tip down a little since it had been touching the underside of the crystal. So no change of movement or repair needed🙂  And it’s a nice movement, the 1121 Jet first produced in 1962:

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The watch is now running flawlessly, and keeping very good time. I wonder how long it has had the problem with the sweep hand – the difficulty in removing the glass suggests it hasn’t been opened up for quite some time. It was an easy enough adjustment to make – as it had to be for me to sort it out!  – so I’m surprised it hadn’t gone to a watchmaker for repair.

I’m still trying to figure out the ‘DMC’ logo on the dial – I have seen this on a diver but with a very plain font used. I have found that there is a DMC machine tool company in South Korea – founded in 1944 it makes machinery for milling etc. Citizen opened a factory in Korea in the early 1970s so I wonder if there is any link? Nor can I explain the 777 logo – maybe just a model name referencing Citizen’s later use of the Autodater 7 moniker. ‘555’ models were also made including one with the same 27 jewel movement, and the use of 555 is also a mystery!

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This Week’s Featured Watch #76 – Jet Autodater ‘777’

Citizen sometimes produced special editions, and one of the rarer ones is this week’s featured model – it’s an ‘Autodater’ from the early to mid-1960s with a 27 jewel version of the 1121 date only Jet movement first produced in 1962. This model is designated as a ‘777’ and this logo is applied to the dial. One nice feature is that the ‘Autodater’ logo is applied, rather than ‘Citizen’ which is printed beneath. I don’t think I’ve seen that on any other model.

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The watch is rated at 40 metres, and is also marked ‘DMC’ in a fancy gothic font – I have seen ‘DMC’ on at least one other model, but I’ve yet to determine the meaning…

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The bezel is gently fluted, whilst the case is a one piece design with a thick mineral crystal and large crown:

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As with some other special editions, which were probably made for export (i.e. marked ‘waterproof’) the case back has a unique design, unfortunately with no production date to go with the case / model number of ADOS81301:

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All in all this is an interesting and rare model, with a nicely etched case back and unique dial. Now I just need to find out what the significance of ‘DMC’ is – maybe a company that commissioned the watch?

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Citizen’s Special Cosmotron was a World First

Citizen was the first Japanese manufacturer to sell an electric watch, in 1966, using a battery and printed circuit instead of a mainspring, powering a relatively conventional hairspring. As the technology was developed, they also produced one version in a titanium case – a world first – as a limited edition, in 1970. However, there was also one other ‘world first’ in the Cosmotron line-up, this time a special feature of the 7803 movement. It was known as ‘Just Setting’ and allows the watch to be accurately synchronised to a radio or TV time signal. Although the watch has a conventional ‘second setting’ function, the additional unique element of this movement is that the hour and minute hands as well as the second hand can be set if within ± 3 minutes of the 12 o’clock marker, using a button at the 8 o’clock position. Here are Citizen’s original instructions for this function (with thanks to whoever uploaded this to the internet):

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And here’s a video of ‘Just Setting’ in action:

http://s282.beta.photobucket.com/user/Sweephand/media/Cosmotron%20Page/7803Hacking.mp4.html

Known as the Cosmotron Special, these are very nice watches. Running at 36,000 beats per hour they are an accurate and unusual timepiece, with that rather unique feature

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