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Lexicon article of the week
Martin Braun Notos
with indication of the equation of time
© Martin Braun
Equation of time
The equation of time is the difference between time as read from a sundial and time as read from a clock or watch.
Due to the elliptical orbit of the earth the two times only match on April 15, June 14, September 1 and Dec 24th. On all other days, the deviation reaches from minus 16 minutes 23 seconds (4 November) to plus 14 minutes 22 seconds (on February 11).
A manufacturer who specializes particularly in wristwatchs with equation of time display is Martin Braun. His model Notos also offers the additional complication of the display of the declination …
Watch Knowledge
Oscillating system of a mechanical watch
Maintenance
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
© Hublot
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