Emerald Sequoia LLC
Emerald Chronometer for Wear OS
How to Buy


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Thanks for all of your support over the past 15 years!


Emerald Alexandria
for
Wear OS by Google

Buy this face Get it on Google Play
Buy all 21 faces Get it on Google Play

Alexandria, named for the home of the ancient Greek astronomer Ptolemy, shows a geocentric representation of the positions of the Sun and the Moon relative to the Earth. The Earth is shown from a co-rotating perspective above the north or south pole with the watch's current longitude at the top. The Sun hand indicates the current position of the Sun relative to the Earth's surface. The Moon is shown at the appropriate angle and with its terminator in the right orientation.

The position of the Earth's terminator (the boundary between night and day) is adjusted for the seasons.

The (fictitious) starry background rotates once a year relative to the Sun. Though Alexandria has no date windows the approximate times of the solstices, equinoxes, and apsides for dates within a few decades of the present are indicated by the position of the Sun relative to some tiny star patterns in interactive mode:

DateEventNote
Mar 20Equinoxbeginning of northern spring
Jun 21Solsticebeginning of northern summer
Sep 22Equinoxbeginning of northern fall
Dec 21Solsticebeginning of northern winter
Jan 4PerihelionEarth closest to the Sun
Jul 4AphelionEarth farthest from the Sun

Of course, this display is wildly out of scale! The distance to the Moon is roughly 30 Earth diameters, to the Sun more than 7000.


In the configuration panel (long press at the center of the face, or select the gear underneath the face when in the watch face chooser), you can select whether the view is from the north pole or the south pole.

In ambient mode, the same information is displayed, but with a black background.


Emerald Chronometer Faces for Wear OS by Google

Mauna Kea Mauna Loa Terra Gaia Venezia Haleakala Hana Geneva Selene Chandra Paris Mcalester Firenze Padua Babylon Basel Alexandria Atlantis Milano Miami Vienna
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