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A marketplace for chronographs, dive watches and other tool-type wristwatches and timepieces |
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Rules: Postings must be an ad announcing an intent to sell, buy or trade. Full item description and photo(s) must be posted within the message here, not as links to other websites. Links to online auctions and other sites: Links to online auctions, dealer sites or other listings of items are permitted, but you should be careful to ensure that such listings will comply with our other ChronoTrader Policies. In addition, we request that sellers linking to online auctions or listings offer some benefit or accomodation to ChronoTrader readers (for example, some discount or an undertaking to end an auction early, to keep a watch "in the family"). Photos must be of the actual item for sale in its present condition. No counterfeit or replica products. No post for the same item may be repeated within 7 days, except to lower the asking price. Commercial dealers are limited to three unique posts per day. [More...]
: FS: DERBY SWISSONIC JAZ JUMP HOUR FROM MID 70s!
: so much info here to understand this iconic jump hour from the mid
: 70s!
: http://www.crazywatches.pl/derby-swi...jump-hour-1975
: DERBY SWISSONIC JAZ ESA9176 JUMP HOUR 1975
: The Derby Swissonic from the ESA Dynotron family is the most akward
: jump minute (!) watch ever created for mass-production. It was
: introduced somewhere in 1975 by Derby SA (an ESA subsidiary) and
: featured an ingenious (plastic) speedometer drum-machine powered
: by a 7-jewel transistorized electromagnetic module. The ESA9176
: movement was exclusive to Derby watches but also sold under the
: French "Jaz" brand thus easier to source in France and
: Switzerland. Two models were made in chrome or goldplate with
: semi-leather strap or stainless steel bracelet. The watch is
: operated by a 357 1,5V cell (1,35V mercury are no longer made)
: inserted through a plastic hatch on the caseback where also the
: setting crown is located.
: This Silver piece is in excellent condition with original bracelet
: but doesn't run too strong may likely need a servicing... $888
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