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Tip of the Week #132: The Equation of Time
The equation of time measures the difference between the civil time, and the real solar time. This difference, due to the Earth’s elliptical orbit, varies between -16 and +16 seconds daily which makes a maximum annual difference of +14 and -16 minutes. The 24-hour day is the civil time which represents a compromise of the variation.
The Girard-Perregaux 1966 equation of time is a masterpiece of watchmaking technique.
A complication combining the annual calendar and the equation of time functions in a movement reflecting the watchmakers’ skill in seeking to reproduce celestial movements.
New Release
See a close-up of the Girard-Perregaux Chamber of Wonders: Celestial Globe, a BaselWorld novelty. Explore its intricate dial and craftsmanship.
12 replies1415 views
Manufacture
Girard-Perregaux celebrates its partnership with the Academy Museum of Motion Pictures, unveiling concept designs and specially engraved timepieces at the inaugural event in Los Angeles.
0 replies370 views
Collection
Explore tudorctin's wife's watch collection, featuring Girard-Perregaux Cat's Eye Bi-retro, GP 1966 Chronograph, and Audemars Piguet Millenary.
30 replies4734 views
Lifestyle
Girard-Perregaux partners with MARKUS + INDRANI for the 'ICONS' exhibition and book launch at Lincoln Center, blending watchmaking with photography.
1 replies425 views
Complications
Explore the Girard-Perregaux 1966 Annual Calendar Equation of Time. Discover its historical precision, elegant design, and unique complications in white gold. Learn about the GP033MO movement.
42 replies12523 views
New Release
Explore Girard-Perregaux's 'Chamber of Wonders' trilogy with live photos from BaselWorld 2016. See the Earth, Sun, and Celestial Globe models up close.
8 replies1187 views
Tip of the Week #132: The Equation of Time
The equation of time measures the difference between the civil time, and the real solar time. This difference, due to the Earths elliptical orbit, varies between -16 and +16 seconds daily which makes a maximum annual difference of +14 and -16 minutes. Th...
EOT... I see it a bit like an esoteric complication, to say all.
I love the idea, a lot. Now, I would display it a bit differently. I would give it more importance on the dial. Best, Nicolas
Perhaps...
EOT displays the "End of Time". That would be a rather cosmological complication. Maybe they know something we don't...
I agree, would love to see a watch ...
That focus more on the EOT! :) I guess one problem is that the movement needs to be at least Annual Calendar for the EOT to work... And if you have an Annual Calendar, you want to show that... Best Blomman
Interesting point, about the necessary presence of at least an annual calendar.
Could it be zodiacal, to enhance its esoteric character? Best, Nicolas.
Very nice watch.. Lots of balanced elegance.. One Q be allowed.. ;)
.. What, in fact, does one do with the information of EOT ? Is this - just pure eclectic indication ( see Nico) - or does it serve a purpose, (maybe to somehow know about the "correct" time) ? Thx, in advance & Best, hs PS: Also let's not forget, that it ...
The Equation of Time....
The equation of time measures the difference between the civil time, and the real solar time. This difference, due to the Earth’s elliptical orbit, varies between -16 and +16 seconds daily which makes a maximum annual difference of +14 and -16 minutes. Th...
Equation of time
explains the difference between time as we know it, and time as shown on a super accurate sun dial, because the sun is not at the highest point in the sky at 12:00:00 every day. Some days it's 15 minutes early or 15 minutes late. A watch with the EOT must...