Patek Philippe “Cercle d'Or”

Swiss Watch Fair 1970 BF 401
A watch with the world’s most precise movement on the market. The heart of its quartz electronic movement vibrates 8’192 times per second. The vibrations are then reduced by integrated circuit electronic dividers. The distinguished model is in 18 carat gold with openwork bracelet and gold dial Calendar. (PATEK PHILIPPE “Cercle d’Or”)