Introduction to the Big Flower Clock: The Big Flower Clock (L’Horloge Fleurie) symbolizes Switzerland as the center of the watch industry. The Flower Clock is located in the Jardin Anglais on the shores of Lake Geneva. The clock has a circumference of 15.70 meters and a diameter of 5 meters. It is decorated with 6,500 kinds of plants of various colors. Its second hand is 2.5 meters long and the distance between each second point is 27 centimeters. It is the longest second hand in the world. plant clock.