Richard Mille

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The Richard Mille Planetarium Tellurium

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The Richard Mille Planetarium-Tellurium

A development spanning more than 7 years, this new creation by Richard Mille is not a wristwatch, but a large clockwork driven Planetarium Tellurium, harking back to the period of time in horology when astronomy, mathematics and workmanship were totally complementary endeavors. Using as a basis completely new calculations determined by an astrophysicist, combined with new solutions of complex gearing and a detent chronometer escapement, this new creation is the most accurate of its kind ever made. In addition, the user can easily perform all adjustments, since special attention has been given to the ease of making any alterations forwards and backwards to different dates in the past or future.

Functions, Astronomic representations and Indications of the Richard Mille Planetarium-Tellurium

-         Rotation of the earth on its axis

-         Rotation of the earth around the sun

-         Obliquity of the earth

-         Rotation of the moon on its axis

-         Rotation of the moon around the earth

-         Phases of the moon

-         Equation of time

-         Solar time

-         Mercury

-         Venus

-         Sun

-         Hour

-         Minute

-         Time zones

-         Date

-         Day 

-         Month 

-         Year, decade

-         Leap year

-         Power reserve

-         Seasons, equinoxes, solstices, Zodiac sign

Explanations of the various functions:

Rotation of the earth on its axis

One rotation on its axis in 24hrs. Error: +1° in 7.7 years

Rotation of the earth around the sun 

One rotation in 1 year. Error: -1° in 2 million years. This rotation is used as the basis for indicating the seasons, the equinoxes, solstices and zodiac signs, represented in their respective windows.

Obliquity of the earth

Exact rotation, the tilt of the earth’s axis between the two poles: 23.5°. This tilt towards the sun provides a perfect understanding of the phenomenon of the seasons.

Rotation of the moon on its axis and rotation of the moon around the earth

The calculation of the rotation is based on a synodic month of 29.53058912 days (time interval between two new moons). Error : +1° in 168 years.

Phases of the moon

The phases of the moon are represented on the moon itself in the form of blackening of the material, thus simulating these phases.

Equation of time

The equation of time is represented by a hand and a dial divided into sectors on the front part of the planetarium. The hand represents in + or – the minutes that must be added or subtracted from the mean time in order to obtain the true solar time.

Solar time

Associated with the equation of time, it represents the true time in relation to the sun. This indication is connected to the planetary mechanism and is on the dial.

Mercury

Representation of Mercury performing a rotation around the sun in 87.9 days.

Venus

Representation of Venus performing a  rotation around the sun in 224.7 days.

Sun

Static representation of the sun in the center of the planetarium-tellurium.

Time indications (with perpetual calendar)

-         Hour

-         Minute

-         Time zones

-         Date

-         Day

-         Month 

-         Year, decade

-         Leap year

-         Power reserve

-         Seasons, equinoxes, solstices, Zodiac signs

MATERIALS USED

Titanium, steel, brass, gold, silver and red corundum.