This heart pendant, features a tiny hidden mechanical marvel thatmagically brings to life the heartbeat in a sparkling celebration of love.Much like a music box or watch, each Paul Forrest pendant is wound bya tiny key and brought to life effortlessly. The Swiss made pendants arecreated using the finest materials, including 18-karat gold, and feature akey and heart motif. They are underscored by the tag line, Key to yourHeart. Designed for todays contemporary woman who wants somethingtruly different, Hearts Passion, marks the first foray by Paul Forrestinto jewelry.MOVEMENT-Calibre PF-001 -Manual winding-8 hour power reserve -42 jewels-145 total partsMATERIALS-18KT 750 Rose Gold-Pendant set with 54 White Diamonds -Beating heart set with 31 Rubies-Total Carat Weight 1.57-Pink Mother of Pearl Dial. (Mother of Pearl is believed to encourageprosperity and some say offers soothing protection of negative energy.)-Double curved Sapphire crystal-Winding clasp in 18KT 750 Gold with 316L mechanical winding system-Water Resistant to 50 Meters-Chain is adjustable from 18 to 24