Platinum Cloisonné enamel Perpetual World Time.
It rotates once every 24 hours and the position of the Sun is shown by the bezel tab at 12:00. If you look closely, you'll see a green hand that looks like a stylized serpent's head, and another, opposite to it, that looks like the snake's tail. ? IN-DEPTH A Ulysse Nardin Tellurium Johannes Kepler, One Of The Three Original Trilogy Of Time Watches From The 1990s A very big blast from a very cosmic past.