WTB electronic pocket watches - Seiko & Citizen Watch Forum Japanese Watch Reviews, Discussion & Trading
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Old 05-17-2019, 03:58 PM   #1 (permalink)
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Default WTB electronic pocket watches

Here's the short form : I will pay US$40 (plus reasonable shipping to me in the USA or Germany) for pretty much any electronic pocket watch.

What do you mean, electronic pocket watch?
"Electronic" is a term used by watch manufacturers for a type of movement in which the hands are driven mechanically by an oscillator (a balance wheel or, in some cases, a tuning fork) which receives the impetus for its vibrations from an electric circuit. These were popular for a brief period, say about 196575 for the extreme dates. Personally I would call this "electromechanical", but the terminology was established without consulting me! Essentially, if you take off the back & it has a battery holder, but doesn't look like a typical stepper-motor quartz movement, I'm likely to be interested.

"Pocket watch" seems self-explanatory, but if you're in doubt, go ahead & offer it to me. Basically, anything that isn't a wristwatch, I'm likely to be interested in. I'm not going to discriminate against something that may seem more to you like a lady's "pendant watch".

I will follow this post up with descriptions & illustrations of Seiko & Citizen electronic pocket watches, for easier recognition.

That's an absurdly low price! Why would I want to sell to you?
Probably this watch came in a lot which you bought for some other reason*. You could probably get a better price eventually. But you'd have to photograph, carefully describe, do all the things involved in listing something for sale, then wait until you found an interested buyer. I'll buy it pretty much "on the spot", with the understanding that I'm probably going to have to pay some money to my watchmaker to have it put back in good order, & I may in some cases have to buy a Caravelle (Citizen) or Stellaris (Seiko) movement off eBay for replacement parts.

If you think you have a good reason why I should pay you more, do let me know, but realize that (not being a watch collector) things like "original box & papers" don't matter much to me.

By the same token, if the watch is substantially incomplete, I'm going to want to pay less. I don't mean if it's missing the chain, but the flat $40 assumes that the movement, hands, dial, crystal, caseback, all those things you take for granted as being part of the watch, are actually there, although they may not be in the best shape. If it's been stripped for parts, or lost something along the way, that's another question.

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Please contact me via private message on this forum. Since the PM system may not always be entirely reliable, please post in this thread to indicate that you have sent a message.

I will typically pay by PayPal. Other methods of payment, such as US Postal Service domestic or international money order, may be arranged.

I may be open to trades, depending on specific circumstances. Don't hesitate to inquire.


*It might be possible to make some money from my offer if you happen to be in Japan & frequent shops & shows. I don't know. As far as buying off Popular Auction Sites, I check Yahoo Japan pretty thoroughly. eBay I find much more difficult to cover, but after all is said & done, you'll be lucky to break even buying things on there & selling them on to me. If you find a relevant auction, I'll be grateful to you for passing on the link.

Last edited by Delos Harriman; 05-18-2019 at 05:21 AM. Reason: I am in Germany often enough to make that a reasonable shipping destination
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Old 05-18-2019, 04:13 PM   #2 (permalink)
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Default Citizen electronic pocket watches

Citizen are certainly the most prolific creators of electronic pocket watches. I have identified, based primarily on catalog listings with some verification from Yahoo Japan listings, something like 20 varieties. Below I have tried to categorize them by salient features, grouped by the dial text, which seems to be a reasonable key. All have center second hands, except as noted. Dials are typically white, with black numerals. I expect crowns to be marked "CTZ", but possibly not all are. Photos from YHJ sellers are attached for illustrative purposes.

Citizen X8 (0810 movement)
squarish case in stainless steel or gold-plate, setting crown at 6:00, no numerals, dial may be metallic-finish (hard to tell from photos), "Electronic" on case back, Cosmotron logo on dial (6:00, metallic with red infill) & back

Citizen Electronic X8 Cosmotron (0810 movement)
gold-plate or stainless-steel case, Arabic or Roman numerals, setting crown at 6:00, "Electronic" on case back, Cosmotron logo on dial (6:00) & back ― often found with display back

Citizen Electronic Cosmotron (4840 movement)
3:00 date, gold-plate or stainless-steel case, Arabic or Roman numerals, setting crown at 6:00, "Electronic" on case back, Cosmotron logo on dial (6:00) & back

Citizen Electronic (58-series movement)
Roman or no numerals, suspension loop integrated into case, no seconds, setting crown at 6:00

Citizen Pocket Watch Electronic (37-series movement)
multiple case styles in stainless steel, gold-plate, or white-gold-plate, Arabic or Roman numerals, with or without day & date at 3:00

Note : while Bulova used Citizen movements (and apparently some from France, possibly LIP?) to provide an electronic option for their Caravelle brand, I have seen no indication concerning the possible existence of an electronic Caravelle-branded pocket watch.

Last edited by Delos Harriman; 05-19-2019 at 11:37 AM. Reason: Add note about Caravelle
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Old 05-19-2019, 04:31 PM   #3 (permalink)
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Default Seiko electronic pocket watches

Seiko were late to introduce an electronic watch, & released such a variety of movements in such a brief time that one is led to speculate whether the design departments were set to this work as a "fallback" in case of unexpected serious problems with the quartz movement. Some of them employed a design not seen from other manufacturers, in which the "kick" is applied, not to the balance wheel, but to the pallet fork. The mass of the magnet adds quite a bit of inertia to this part, which seems distinctly unfavorable.
  • EL-310 : a scant few wrist watches coded 31EL, & emblazoned with a nifty "atom" logo, appear in the 1969 catalogues. They are hardly ever seen. I have found no indication that a pocket watch was made.
  • EL-320 : the 1972 Special Luxury Catalogue introduces a 32EL pendant watch in an oblong 18K gold case. I have little further information.
  • EL-330 : this movement family seems to be more often met with in watches for non-Seiko brands (such as Stellaris, Le Gant, or Westclox). I can find no information concerning pocket models, under any name.

The pocket watches we expect to encounter belong to two further movement families. Again, images from YHJ sellers are used to illustrate (a) the watches & (b) the fact that they actually exist & come up for sale, which catalogue entries don't necessarily.

EL-370 (37EL)
Aside from being open-face, the two pocket models in this group don't resemble one another at all.
  • 3702-0010 : white dial, black Arabic numerals, center second, date at 6:00, dial text "Seiko Electronic EL-370". Case has a wide peripheral flange & resembles some of the pocket Skyliners of the same period.
  • 37-3000 : metallic dial with an embossed double-headed-eagle motif, no seconds, no date, no numerals, no dial text other than "Seiko". This is a really wild design, clearly meant to evoke the thaler coins of the Holy Roman Empire. It is generally (but not always) found with a commemorative back for the 70th anniversary of the Dentsu advertising agency. Dentsu must have commissioned a comparatively large number, since these seem to be about as common as any other model of electronic pocket watch.

Elnix (07EL)
The distinctive Elnix logo, an arrow in the form of one cycle of a square wave, over a rectangular background unevenly divided horizontally, appears on two pocket models which are identical except for the case. The dial is not plain white, but has some kind of textured or metallic finish, with black Roman numerals, center second, a 4:30 date window that seems like an awkward afterthought, & no dial text but "Seiko". The case is deep, & very rounded. The case back has the text OPEN with an arrow for the direction of unscrewing.
  • 0702-3000 : brushed stainless steel (listed in catalogues as 07ELC 030 or ENT030)
  • 0702-3010 : textured rather like a golf ball (catalogued as 07ELC 040 or ENT040)
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Old 06-11-2019, 10:10 PM   #4 (permalink)
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I now have no fewer than three working examples of the stainless steel, non-date, round X8 Cosmotron with Roman numerals ― one with display back. I am therefore somewhat reluctant to acquire any more of this specific type. As a side-note, there is one listed on Yahoo Japan right now which must have an aftermarket display back, because (a) there is no printing on the back crystal, & (b) the movement is not gold-plated.

I recently lost an auction for a Certina Electronic Biostar. Before stumbling across the listing, I hadn't realized this little piece of weirdness came in a pocket version. If anybody wants to sell me one, I'm interested!
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Old 06-22-2019, 10:54 AM   #5 (permalink)
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Quite unexpectedly, while I was chatting with someone the other day, he managed to sell himself one of my "spare" Cosmotrons!

Also I have discovered that the Seiko EL-370 3702-0010 comes in a nifty black-dial variant as well as the white-dial type. No idea if one of them is more common than the other.
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