true second : name, show and discuss

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Fallout Boy

·Jan 31, 2023

Hi @all, after stumbling across the (newer) JLC Geophysics,

(picture from C24)


I would like to know more about other pure mechanical-models with true second-function (I am not sure, if this is the only and correct technical term....)
Such a watch might be my next purchase.😀

Let´s go! and talk about them......

 

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timjohn

·Jan 31, 2023

Seconde Morte -- dead second -- was a hugely valued complication, especially for doctors, that fell out of style when quartz came in and it became a way to distinguish a cheap watch. Rolex did a dead seconds they called a Tru-Beat. A lot had the complication stripped out, but an original today is expensive.

The Geophysic is a great watch by the way, although I prefer the crosshair dial of the 1958 re-issue...

 

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Fallout Boy

·Jan 31, 2023

Thank you for the link to the ROLEX: new to me 👍

Concerning the re-issue: I don´t like these hands 😉

Searching for true-beat I found this one to add

picture: C24

 

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Vitezi

·Jan 31, 2023

Nice thread here on the dead seconds "complication":
https://omegaforums.net/threads/jaeger-lecoultre-geophysic-true-second.29925/

Omega Synchrobeat:
https://omegaforums.net/threads/last-incoming-of-the-year-synchrobeat.87333/
https://omega-constellation-collect...06/omega-synchrobeat-myths-and-realities.html

Doxa/Chezard:
https://omegaforums.net/threads/doxa-dead-seconds.45502/

 

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Fallout Boy

·Jan 31, 2023

cool, collecting further infos to this subject welcome 👍

 

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Tony C.

·Jan 31, 2023·Ωf Jury member

There were pocket watches and clocks with dead-second movements as well. I have a few "Exact Time" dealer display versions, including the model shown below. While there were issues with most of the wristwatch versions, I have the impression that those employed in high quality larger movements were reliable.

Edited: Jan 31, 2023

 

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Ron_W

·Jan 31, 2023

Habring2 also makes them in their various models;

https://www.habring2.com/index.php/en/collection/477-jumping-second-2016-en

and this is the JLC solution inside the cal 772