Portal: Watch Knowledge
Lexicon
Info Service
Lists
Organizations and Institutions
Biographies/Authors/Literature
Watch areas
Categories
Biel-Bienne, Canton of Bern, Canton of Neuchâtel, Geneva, Glashütte, Grenchen, Jura triangle, La Chaux-de-Fonds, Le Locle, Les Bioux, Neuchâtel, Plan-les-Ouates, Porrentruy, Saint-Imier, Solothurn, Tramelan, Vallée de Joux, Villeret
Watch trusts and organizations
Company categories
Lexicon article of the week
![Clearly visible fluorescent color markers (indices, hands) at the [[:Omega Seamaster 300 M GMT]] (click to enlarge!)](/lib/exe/fetch.php?tok=2a0152&media=https%3A%2F%2Fwww.uhren-wiki.com%2Fimages%2FOmega_Seamaster_300_M_GMT.jpg "Clearly visible fluorescent color markers (indices, hands) at the [[:Omega Seamaster 300 M GMT]] (click to enlarge!)")
Clearly visible fluorescent color markers (indices, hands) at the Omega Seamaster 300 M GMT
© Omega
Luminous color
Persistent or self-luminous luminous colors are used for watch numerals, indexes and hands, to be read in the dark.
Previously these luminous colors consisted of radioactive substances, today only phosphorescent colors are used. Prevailed for the average everyday use has the absolutely harmless and non-radioactive Superluminova, which has a relatively long persistence and does not use up.
The luminous hands, dials and scales of older watches contained radioactive material with far reaching rays. This presented a danger particularly when the watches were constantly being worn on the body. This was true, for example, for …
Watch Knowledge
![[[:Oscillating system]] of a mechanical watch (click to enlarge!)](/lib/exe/fetch.php?tok=a94d35&media=https%3A%2F%2Fwww.uhren-wiki.com%2Fimages%2FSchwingsystem.jpg "[[:Oscillating system]] of a mechanical watch (click to enlarge!)")
Oscillating system of a mechanical watch
Maintenance
![[[:Gerd-Rüdiger Lang]], founder of [[:Chronoswiss]] (click to enlarge!)](/lib/exe/fetch.php?tok=7ac690&media=https%3A%2F%2Fwww.uhren-wiki.com%2Fimages%2FLang_Gerd-R%C3%BCdiger.jpg "[[:Gerd-Rüdiger Lang]], founder of [[:Chronoswiss]] (click to enlarge!)")
Gerd-Rüdiger Lang, founder of Chronoswiss
- Abraham-Louis Breguet Most important watchmaker in the history of horology and a great inventor
- Ferdinand Adolph Lange Founder of A. Lange & Söhne in Glashütte
- Hans Wilsdorf Founder of Rolex
- Helmut Sinn Founder of Sinn Spezialuhren Frankfurt
- Gerd-Rüdiger Lang Founder of Chronoswiss
- Nicolas G. Hayek Important watch business man (Swatch)
![[[:Hublot Big Bang King "Porto Cervo"]] with case in [[:red gold]]/[[:ceramic]] (click to enlarge!)](/lib/exe/fetch.php?tok=acd4eb&media=https%3A%2F%2Fwww.uhren-wiki.com%2Fimages%2FHublot_Big_Bang_King_Porto_Cervo.jpg "[[:Hublot Big Bang King \"Porto Cervo\"]] with case in [[:red gold]]/[[:ceramic]] (click to enlarge!)")
Hublot Big Bang King "Porto Cervo" with case in red gold/ceramic
© Hublot
More