The watch adheres to horological tradition for grand complications with a rattrapante chronograph, a minute repeater, a perpetual calendar and moon phases.

WSJ: The Face of Watchmaking's Future at SIHH and GTE

This 18k pink gold openface watch is a minute repeating perpetual calendar split-seconds chronograph clockwatch with grande and petite sonnerie and moon phases, manufactured in 1898.

FORBES: Connect

The phases of the moon occur due to cycles among the moon, the earth and the sun.

FORBES: Expect Two Recessions Before End Of Decade

Still, although it is widely believed that the phases of the moon affect behaviour, psychologists have yet convincingly to prove it.

ECONOMIST: How the sun and the moon move markets

Mr Duncan starts with a Stone Age astronomer who observed the phases of the moon, and marked them by carving notches on an eagle's bone.

ECONOMIST: Late for the date

Henry Graves, a well-to-do New York banker and Marilyn Graves' grandfather, had a passion for fancy watches with complications such as chimes, a perpetual calendar and displays for the phases of the moon.

FORBES: Inherit the whirlwind

The phases of the moon?

ECONOMIST: The head of the European Commission is losing his cool

Of course Galileo made great use of the telescope, and his discoveries--that Jupiter has its own moons, that the Milky Way is made of stars, that Venus has phases just like the moon--were turning points.

FORBES: The Universe and Mrs. Ferguson