Registary at WIPO (World Intellectual Property Organization) . The iconic winged hourglass was originally registered in 1889 in Switzerland followed by a filing under the Madrid Agreement Concerning the International Registration of Marks in 1893. Read More
4. Vacheron Constantin - Maltese Cross - First appeared on watches in 1880. The logo is taken from the shape of the component of the movement affixed to the barrel. This hallmark component ensures the number of wheels can be kept low.
6. Girard-Perregaux - the Tourbillon Sous Trois Points d'Or or Tourbillon Under 3 gold bridges Crafted by Constant Girard Perregaux. After which the design lay dormant for 115 years. In 1982 the design was revived in pocket watches and in 1991 adapted for wristwatches to commemorate the 200th birthday of Girard-Perregaux.
8. JeanRichard - JR Initials of the company, name and date below. Although there is no significant movement upon the logo, the date placing the foundation of the company deep within the 17th century is significant enough. The legend about the company's founder - Daniel JeanRichard is to intriguing to write here in just a few lines, but I recommend that you
Read it here - The Legend of Daniel JeanRichard
The name Corum stems from the Latin word Quorum meaning
"The minimum number of members whose presence is necessary to make the proceedings and decisions of an assembly or society valid. It is then said a Quorum is reached."
The number of a Quorum is very definite depending on the society,
The key is the key to perfect time, and the last person to arrive at a meeting whereby a decision has to be made is the key that unlocks the process. Without that one final person the door is closed and no decision can be made.
10. Omega, and its corresponding symbol Ω, is the 24th Letter in the Greek Alphabet. In 1898, The company changed its name from Louis Brandt et Frères to Omega after its groundbreaking movement - the 19 caliber "Omega". This relatively affordable movement introduced time setting via the crown as well as a new "assembly line" production procedure.