In Horology, a tourbillon (French: "whirlwind") is an addition to the mechanics of a watch escapement. Developed around 1795 and patented by the French-Swiss watchmaker Abraham-Louis Breguet on June 26, 1801. It is designed to escape the effect of gravity in a certain position.
PETIT Necklaces_Black Tourmaline
Natural Black Tourmaline gemstones set inside a fine pendant
Select between 18K Rose Gold Plated or Stainless Steel Pendants
925 Sterling Silver Rhodium Plated Chain
Chain Length 18" (45.7cm)
Description Cards Provided: Meaning of the stone*, Care Instruction & Material Information - Packaging